Home / 107,514.57-161,274.08-39,123.78

Finding the Fourth Proportional to 107,514.57, 161,274.08 and 39,123.78

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Solution

The fourth proportional to 107,514.57, 161,274.08 and 39,123.78 is: 58,686.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,514.57 : 161,274.08 = 39,123.78 : x
  2. Step 2: Convert to fraction form
    107,514.57/161,274.08 = 39,123.78/x
  3. Step 3: Cross multiply
    107,514.57x = 161,274.08 × 39,123.78
  4. Step 4: Simplify right side
    107,514.57x = 6,309,652,328.21
  5. Step 5: Solve for x
    x = 6,309,652,328.21/107,514.57
  6. Step 6: Final answer
    x = 58,686.48

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1.5x scale

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.