Home / 150,347.32-207,479.28-89,917.95

Finding the Fourth Proportional to 150,347.32, 207,479.28 and 89,917.95

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Solution

The fourth proportional to 150,347.32, 207,479.28 and 89,917.95 is: 124,086.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,347.32 : 207,479.28 = 89,917.95 : x
  2. Step 2: Convert to fraction form
    150,347.32/207,479.28 = 89,917.95/x
  3. Step 3: Cross multiply
    150,347.32x = 207,479.28 × 89,917.95
  4. Step 4: Simplify right side
    150,347.32x = 18,656,112,640.32
  5. Step 5: Solve for x
    x = 18,656,112,640.32/150,347.32
  6. Step 6: Final answer
    x = 124,086.77

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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.