Home / 97,849.20-146,773.80-81,242.40

Finding the Fourth Proportional to 97,849.20, 146,773.80 and 81,242.40

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Solution

The fourth proportional to 97,849.20, 146,773.80 and 81,242.40 is: 121,863.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,849.20 : 146,773.80 = 81,242.40 : x
  2. Step 2: Convert to fraction form
    97,849.20/146,773.80 = 81,242.40/x
  3. Step 3: Cross multiply
    97,849.20x = 146,773.80 × 81,242.40
  4. Step 4: Simplify right side
    97,849.20x = 11,924,255,769.12
  5. Step 5: Solve for x
    x = 11,924,255,769.12/97,849.20
  6. Step 6: Final answer
    x = 121,863.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.