Home / 142,427.01-213,339.12-92,358.38

Finding the Fourth Proportional to 142,427.01, 213,339.12 and 92,358.38

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Solution

The fourth proportional to 142,427.01, 213,339.12 and 92,358.38 is: 138,342.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,427.01 : 213,339.12 = 92,358.38 : x
  2. Step 2: Convert to fraction form
    142,427.01/213,339.12 = 92,358.38/x
  3. Step 3: Cross multiply
    142,427.01x = 213,339.12 × 92,358.38
  4. Step 4: Simplify right side
    142,427.01x = 19,703,654,500.80
  5. Step 5: Solve for x
    x = 19,703,654,500.80/142,427.01
  6. Step 6: Final answer
    x = 138,342.12

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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.