Home / 103,724.19-142,859.84-89,552.43

Finding the Fourth Proportional to 103,724.19, 142,859.84 and 89,552.43

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Solution

The fourth proportional to 103,724.19, 142,859.84 and 89,552.43 is: 123,341.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,724.19 : 142,859.84 = 89,552.43 : x
  2. Step 2: Convert to fraction form
    103,724.19/142,859.84 = 89,552.43/x
  3. Step 3: Cross multiply
    103,724.19x = 142,859.84 × 89,552.43
  4. Step 4: Simplify right side
    103,724.19x = 12,793,445,373.65
  5. Step 5: Solve for x
    x = 12,793,445,373.65/103,724.19
  6. Step 6: Final answer
    x = 123,341.00

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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.