Home / 131,822.29-181,927.83-75,242.17

Finding the Fourth Proportional to 131,822.29, 181,927.83 and 75,242.17

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Solution

The fourth proportional to 131,822.29, 181,927.83 and 75,242.17 is: 103,841.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,822.29 : 181,927.83 = 75,242.17 : x
  2. Step 2: Convert to fraction form
    131,822.29/181,927.83 = 75,242.17/x
  3. Step 3: Cross multiply
    131,822.29x = 181,927.83 × 75,242.17
  4. Step 4: Simplify right side
    131,822.29x = 13,688,644,712.59
  5. Step 5: Solve for x
    x = 13,688,644,712.59/131,822.29
  6. Step 6: Final answer
    x = 103,841.65

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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.