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Finding the Fourth Proportional to 161,598.96, 243,370.80 and 143,111.52

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Solution

The fourth proportional to 161,598.96, 243,370.80 and 143,111.52 is: 215,528.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,598.96 : 243,370.80 = 143,111.52 : x
  2. Step 2: Convert to fraction form
    161,598.96/243,370.80 = 143,111.52/x
  3. Step 3: Cross multiply
    161,598.96x = 243,370.80 × 143,111.52
  4. Step 4: Simplify right side
    161,598.96x = 34,829,165,111.62
  5. Step 5: Solve for x
    x = 34,829,165,111.62/161,598.96
  6. Step 6: Final answer
    x = 215,528.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.