Home / 129,530.15-193,994.10-125,040.32

Finding the Fourth Proportional to 129,530.15, 193,994.10 and 125,040.32

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Solution

The fourth proportional to 129,530.15, 193,994.10 and 125,040.32 is: 187,269.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,530.15 : 193,994.10 = 125,040.32 : x
  2. Step 2: Convert to fraction form
    129,530.15/193,994.10 = 125,040.32/x
  3. Step 3: Cross multiply
    129,530.15x = 193,994.10 × 125,040.32
  4. Step 4: Simplify right side
    129,530.15x = 24,257,084,342.11
  5. Step 5: Solve for x
    x = 24,257,084,342.11/129,530.15
  6. Step 6: Final answer
    x = 187,269.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.