Home / 136,243.47-204,398.03-42,749.22

Finding the Fourth Proportional to 136,243.47, 204,398.03 and 42,749.22

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Solution

The fourth proportional to 136,243.47, 204,398.03 and 42,749.22 is: 64,134.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,243.47 : 204,398.03 = 42,749.22 : x
  2. Step 2: Convert to fraction form
    136,243.47/204,398.03 = 42,749.22/x
  3. Step 3: Cross multiply
    136,243.47x = 204,398.03 × 42,749.22
  4. Step 4: Simplify right side
    136,243.47x = 8,737,855,882.79
  5. Step 5: Solve for x
    x = 8,737,855,882.79/136,243.47
  6. Step 6: Final answer
    x = 64,134.13

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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.