Home / 124,230.12-171,437.76-67,641.72

Finding the Fourth Proportional to 124,230.12, 171,437.76 and 67,641.72

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Solution

The fourth proportional to 124,230.12, 171,437.76 and 67,641.72 is: 93,345.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,230.12 : 171,437.76 = 67,641.72 : x
  2. Step 2: Convert to fraction form
    124,230.12/171,437.76 = 67,641.72/x
  3. Step 3: Cross multiply
    124,230.12x = 171,437.76 × 67,641.72
  4. Step 4: Simplify right side
    124,230.12x = 11,596,344,959.35
  5. Step 5: Solve for x
    x = 11,596,344,959.35/124,230.12
  6. Step 6: Final answer
    x = 93,345.68

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1.5x scale

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.