Home / 131,890.89-182,017.13-74,528.76

Finding the Fourth Proportional to 131,890.89, 182,017.13 and 74,528.76

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Solution

The fourth proportional to 131,890.89, 182,017.13 and 74,528.76 is: 102,854.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,890.89 : 182,017.13 = 74,528.76 : x
  2. Step 2: Convert to fraction form
    131,890.89/182,017.13 = 74,528.76/x
  3. Step 3: Cross multiply
    131,890.89x = 182,017.13 × 74,528.76
  4. Step 4: Simplify right side
    131,890.89x = 13,565,510,997.66
  5. Step 5: Solve for x
    x = 13,565,510,997.66/131,890.89
  6. Step 6: Final answer
    x = 102,854.04

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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.