Home / 131,766.96-181,838.18-71,337.58

Finding the Fourth Proportional to 131,766.96, 181,838.18 and 71,337.58

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Solution

The fourth proportional to 131,766.96, 181,838.18 and 71,337.58 is: 98,445.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,766.96 : 181,838.18 = 71,337.58 : x
  2. Step 2: Convert to fraction form
    131,766.96/181,838.18 = 71,337.58/x
  3. Step 3: Cross multiply
    131,766.96x = 181,838.18 × 71,337.58
  4. Step 4: Simplify right side
    131,766.96x = 12,971,895,712.80
  5. Step 5: Solve for x
    x = 12,971,895,712.80/131,766.96
  6. Step 6: Final answer
    x = 98,445.74

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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.