Home / 145,548.10-200,842.08-81,884.56

Finding the Fourth Proportional to 145,548.10, 200,842.08 and 81,884.56

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Solution

The fourth proportional to 145,548.10, 200,842.08 and 81,884.56 is: 112,992.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,548.10 : 200,842.08 = 81,884.56 : x
  2. Step 2: Convert to fraction form
    145,548.10/200,842.08 = 81,884.56/x
  3. Step 3: Cross multiply
    145,548.10x = 200,842.08 × 81,884.56
  4. Step 4: Simplify right side
    145,548.10x = 16,445,865,350.28
  5. Step 5: Solve for x
    x = 16,445,865,350.28/145,548.10
  6. Step 6: Final answer
    x = 112,992.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.