Home / 124,488.85-171,778.38-70,772.71

Finding the Fourth Proportional to 124,488.85, 171,778.38 and 70,772.71

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Solution

The fourth proportional to 124,488.85, 171,778.38 and 70,772.71 is: 97,657.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,488.85 : 171,778.38 = 70,772.71 : x
  2. Step 2: Convert to fraction form
    124,488.85/171,778.38 = 70,772.71/x
  3. Step 3: Cross multiply
    124,488.85x = 171,778.38 × 70,772.71
  4. Step 4: Simplify right side
    124,488.85x = 12,157,221,472.01
  5. Step 5: Solve for x
    x = 12,157,221,472.01/124,488.85
  6. Step 6: Final answer
    x = 97,657.11

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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.