Home / 125,269.62-172,879.14-74,312.52

Finding the Fourth Proportional to 125,269.62, 172,879.14 and 74,312.52

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Solution

The fourth proportional to 125,269.62, 172,879.14 and 74,312.52 is: 102,555.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,269.62 : 172,879.14 = 74,312.52 : x
  2. Step 2: Convert to fraction form
    125,269.62/172,879.14 = 74,312.52/x
  3. Step 3: Cross multiply
    125,269.62x = 172,879.14 × 74,312.52
  4. Step 4: Simplify right side
    125,269.62x = 12,847,084,548.83
  5. Step 5: Solve for x
    x = 12,847,084,548.83/125,269.62
  6. Step 6: Final answer
    x = 102,555.47

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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.