Home / 209,029.17-288,502.26-124,129.83

Finding the Fourth Proportional to 209,029.17, 288,502.26 and 124,129.83

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Solution

The fourth proportional to 209,029.17, 288,502.26 and 124,129.83 is: 171,324.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,029.17 : 288,502.26 = 124,129.83 : x
  2. Step 2: Convert to fraction form
    209,029.17/288,502.26 = 124,129.83/x
  3. Step 3: Cross multiply
    209,029.17x = 288,502.26 × 124,129.83
  4. Step 4: Simplify right side
    209,029.17x = 35,811,736,488.42
  5. Step 5: Solve for x
    x = 35,811,736,488.42/209,029.17
  6. Step 6: Final answer
    x = 171,324.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.