Home / 220,705.50-304,552.56-123,887.19

Finding the Fourth Proportional to 220,705.50, 304,552.56 and 123,887.19

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Solution

The fourth proportional to 220,705.50, 304,552.56 and 123,887.19 is: 170,952.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,705.50 : 304,552.56 = 123,887.19 : x
  2. Step 2: Convert to fraction form
    220,705.50/304,552.56 = 123,887.19/x
  3. Step 3: Cross multiply
    220,705.50x = 304,552.56 × 123,887.19
  4. Step 4: Simplify right side
    220,705.50x = 37,730,160,865.71
  5. Step 5: Solve for x
    x = 37,730,160,865.71/220,705.50
  6. Step 6: Final answer
    x = 170,952.52

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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.