Home / 84,218.08-126,332.52-34,270.92

Finding the Fourth Proportional to 84,218.08, 126,332.52 and 34,270.92

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Solution

The fourth proportional to 84,218.08, 126,332.52 and 34,270.92 is: 51,408.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,218.08 : 126,332.52 = 34,270.92 : x
  2. Step 2: Convert to fraction form
    84,218.08/126,332.52 = 34,270.92/x
  3. Step 3: Cross multiply
    84,218.08x = 126,332.52 × 34,270.92
  4. Step 4: Simplify right side
    84,218.08x = 4,329,531,686.32
  5. Step 5: Solve for x
    x = 4,329,531,686.32/84,218.08
  6. Step 6: Final answer
    x = 51,408.58

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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.