Home / 147,092.52-202,981.28-81,677.30

Finding the Fourth Proportional to 147,092.52, 202,981.28 and 81,677.30

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Solution

The fourth proportional to 147,092.52, 202,981.28 and 81,677.30 is: 112,711.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,092.52 : 202,981.28 = 81,677.30 : x
  2. Step 2: Convert to fraction form
    147,092.52/202,981.28 = 81,677.30/x
  3. Step 3: Cross multiply
    147,092.52x = 202,981.28 × 81,677.30
  4. Step 4: Simplify right side
    147,092.52x = 16,578,961,477.65
  5. Step 5: Solve for x
    x = 16,578,961,477.65/147,092.52
  6. Step 6: Final answer
    x = 112,711.11

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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.