Home / 131,821.29-181,926.45-75,241.17

Finding the Fourth Proportional to 131,821.29, 181,926.45 and 75,241.17

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Solution

The fourth proportional to 131,821.29, 181,926.45 and 75,241.17 is: 103,840.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,821.29 : 181,926.45 = 75,241.17 : x
  2. Step 2: Convert to fraction form
    131,821.29/181,926.45 = 75,241.17/x
  3. Step 3: Cross multiply
    131,821.29x = 181,926.45 × 75,241.17
  4. Step 4: Simplify right side
    131,821.29x = 13,688,358,951.95
  5. Step 5: Solve for x
    x = 13,688,358,951.95/131,821.29
  6. Step 6: Final answer
    x = 103,840.27

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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.