Home / 131,890.04-182,021.28-75,309.92

Finding the Fourth Proportional to 131,890.04, 182,021.28 and 75,309.92

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Solution

The fourth proportional to 131,890.04, 182,021.28 and 75,309.92 is: 103,935.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,890.04 : 182,021.28 = 75,309.92 : x
  2. Step 2: Convert to fraction form
    131,890.04/182,021.28 = 75,309.92/x
  3. Step 3: Cross multiply
    131,890.04x = 182,021.28 × 75,309.92
  4. Step 4: Simplify right side
    131,890.04x = 13,708,008,035.10
  5. Step 5: Solve for x
    x = 13,708,008,035.10/131,890.04
  6. Step 6: Final answer
    x = 103,935.13

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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.