Home / 138,364.47-207,526.05-38,514.26

Finding the Fourth Proportional to 138,364.47, 207,526.05 and 38,514.26

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Solution

The fourth proportional to 138,364.47, 207,526.05 and 38,514.26 is: 57,765.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,364.47 : 207,526.05 = 38,514.26 : x
  2. Step 2: Convert to fraction form
    138,364.47/207,526.05 = 38,514.26/x
  3. Step 3: Cross multiply
    138,364.47x = 207,526.05 × 38,514.26
  4. Step 4: Simplify right side
    138,364.47x = 7,992,712,765.29
  5. Step 5: Solve for x
    x = 7,992,712,765.29/138,364.47
  6. Step 6: Final answer
    x = 57,765.64

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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.