Home / 124,175.52-171,343.16-69,730.50

Finding the Fourth Proportional to 124,175.52, 171,343.16 and 69,730.50

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Solution

The fourth proportional to 124,175.52, 171,343.16 and 69,730.50 is: 96,217.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,175.52 : 171,343.16 = 69,730.50 : x
  2. Step 2: Convert to fraction form
    124,175.52/171,343.16 = 69,730.50/x
  3. Step 3: Cross multiply
    124,175.52x = 171,343.16 × 69,730.50
  4. Step 4: Simplify right side
    124,175.52x = 11,947,844,218.38
  5. Step 5: Solve for x
    x = 11,947,844,218.38/124,175.52
  6. Step 6: Final answer
    x = 96,217.39

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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.