Home / 205,901.24-308,876.82-72,754.22

Finding the Fourth Proportional to 205,901.24, 308,876.82 and 72,754.22

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Solution

The fourth proportional to 205,901.24, 308,876.82 and 72,754.22 is: 109,140.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,901.24 : 308,876.82 = 72,754.22 : x
  2. Step 2: Convert to fraction form
    205,901.24/308,876.82 = 72,754.22/x
  3. Step 3: Cross multiply
    205,901.24x = 308,876.82 × 72,754.22
  4. Step 4: Simplify right side
    205,901.24x = 22,472,092,115.18
  5. Step 5: Solve for x
    x = 22,472,092,115.18/205,901.24
  6. Step 6: Final answer
    x = 109,140.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.