Home / 147,319.14-203,301.75-89,177.21

Finding the Fourth Proportional to 147,319.14, 203,301.75 and 89,177.21

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Solution

The fourth proportional to 147,319.14, 203,301.75 and 89,177.21 is: 123,065.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,319.14 : 203,301.75 = 89,177.21 : x
  2. Step 2: Convert to fraction form
    147,319.14/203,301.75 = 89,177.21/x
  3. Step 3: Cross multiply
    147,319.14x = 203,301.75 × 89,177.21
  4. Step 4: Simplify right side
    147,319.14x = 18,129,881,836.61
  5. Step 5: Solve for x
    x = 18,129,881,836.61/147,319.14
  6. Step 6: Final answer
    x = 123,065.36

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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.