Home / 121,618.34-182,427.50-61,637.47

Finding the Fourth Proportional to 121,618.34, 182,427.50 and 61,637.47

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Solution

The fourth proportional to 121,618.34, 182,427.50 and 61,637.47 is: 92,456.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,618.34 : 182,427.50 = 61,637.47 : x
  2. Step 2: Convert to fraction form
    121,618.34/182,427.50 = 61,637.47/x
  3. Step 3: Cross multiply
    121,618.34x = 182,427.50 × 61,637.47
  4. Step 4: Simplify right side
    121,618.34x = 11,244,368,794.17
  5. Step 5: Solve for x
    x = 11,244,368,794.17/121,618.34
  6. Step 6: Final answer
    x = 92,456.20

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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.