Home / 147,387.88-203,189.32-124,635.59

Finding the Fourth Proportional to 147,387.88, 203,189.32 and 124,635.59

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Solution

The fourth proportional to 147,387.88, 203,189.32 and 124,635.59 is: 171,822.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,387.88 : 203,189.32 = 124,635.59 : x
  2. Step 2: Convert to fraction form
    147,387.88/203,189.32 = 124,635.59/x
  3. Step 3: Cross multiply
    147,387.88x = 203,189.32 × 124,635.59
  4. Step 4: Simplify right side
    147,387.88x = 25,324,620,681.71
  5. Step 5: Solve for x
    x = 25,324,620,681.71/147,387.88
  6. Step 6: Final answer
    x = 171,822.95

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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.