Home / 137,097.88-205,570.41-42,301.15

Finding the Fourth Proportional to 137,097.88, 205,570.41 and 42,301.15

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Solution

The fourth proportional to 137,097.88, 205,570.41 and 42,301.15 is: 63,428.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,097.88 : 205,570.41 = 42,301.15 : x
  2. Step 2: Convert to fraction form
    137,097.88/205,570.41 = 42,301.15/x
  3. Step 3: Cross multiply
    137,097.88x = 205,570.41 × 42,301.15
  4. Step 4: Simplify right side
    137,097.88x = 8,695,864,023.54
  5. Step 5: Solve for x
    x = 8,695,864,023.54/137,097.88
  6. Step 6: Final answer
    x = 63,428.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.