Home / 131,901.09-182,032.74-74,545.71

Finding the Fourth Proportional to 131,901.09, 182,032.74 and 74,545.71

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Solution

The fourth proportional to 131,901.09, 182,032.74 and 74,545.71 is: 102,878.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,901.09 : 182,032.74 = 74,545.71 : x
  2. Step 2: Convert to fraction form
    131,901.09/182,032.74 = 74,545.71/x
  3. Step 3: Cross multiply
    131,901.09x = 182,032.74 × 74,545.71
  4. Step 4: Simplify right side
    131,901.09x = 13,569,759,473.82
  5. Step 5: Solve for x
    x = 13,569,759,473.82/131,901.09
  6. Step 6: Final answer
    x = 102,878.30

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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.