Home / 131,766.96-181,838.46-71,337.60

Finding the Fourth Proportional to 131,766.96, 181,838.46 and 71,337.60

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Solution

The fourth proportional to 131,766.96, 181,838.46 and 71,337.60 is: 98,445.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,766.96 : 181,838.46 = 71,337.60 : x
  2. Step 2: Convert to fraction form
    131,766.96/181,838.46 = 71,337.60/x
  3. Step 3: Cross multiply
    131,766.96x = 181,838.46 × 71,337.60
  4. Step 4: Simplify right side
    131,766.96x = 12,971,919,324.10
  5. Step 5: Solve for x
    x = 12,971,919,324.10/131,766.96
  6. Step 6: Final answer
    x = 98,445.92

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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.