Home / 150,930.14-208,275.10-90,470.52

Finding the Fourth Proportional to 150,930.14, 208,275.10 and 90,470.52

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Solution

The fourth proportional to 150,930.14, 208,275.10 and 90,470.52 is: 124,844.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,930.14 : 208,275.10 = 90,470.52 : x
  2. Step 2: Convert to fraction form
    150,930.14/208,275.10 = 90,470.52/x
  3. Step 3: Cross multiply
    150,930.14x = 208,275.10 × 90,470.52
  4. Step 4: Simplify right side
    150,930.14x = 18,842,756,600.05
  5. Step 5: Solve for x
    x = 18,842,756,600.05/150,930.14
  6. Step 6: Final answer
    x = 124,844.23

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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.