Home / 124,585.55-171,917.01-69,390.66

Finding the Fourth Proportional to 124,585.55, 171,917.01 and 69,390.66

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Solution

The fourth proportional to 124,585.55, 171,917.01 and 69,390.66 is: 95,752.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,585.55 : 171,917.01 = 69,390.66 : x
  2. Step 2: Convert to fraction form
    124,585.55/171,917.01 = 69,390.66/x
  3. Step 3: Cross multiply
    124,585.55x = 171,917.01 × 69,390.66
  4. Step 4: Simplify right side
    124,585.55x = 11,929,433,929.54
  5. Step 5: Solve for x
    x = 11,929,433,929.54/124,585.55
  6. Step 6: Final answer
    x = 95,752.95

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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.