Home / 125,450.60-173,134.12-71,743.54

Finding the Fourth Proportional to 125,450.60, 173,134.12 and 71,743.54

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Solution

The fourth proportional to 125,450.60, 173,134.12 and 71,743.54 is: 99,013.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,450.60 : 173,134.12 = 71,743.54 : x
  2. Step 2: Convert to fraction form
    125,450.60/173,134.12 = 71,743.54/x
  3. Step 3: Cross multiply
    125,450.60x = 173,134.12 × 71,743.54
  4. Step 4: Simplify right side
    125,450.60x = 12,421,254,663.58
  5. Step 5: Solve for x
    x = 12,421,254,663.58/125,450.60
  6. Step 6: Final answer
    x = 99,013.11

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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.