Home / 115,207.53-172,829.52-40,325.86

Finding the Fourth Proportional to 115,207.53, 172,829.52 and 40,325.86

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Solution

The fourth proportional to 115,207.53, 172,829.52 and 40,325.86 is: 60,495.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,207.53 : 172,829.52 = 40,325.86 : x
  2. Step 2: Convert to fraction form
    115,207.53/172,829.52 = 40,325.86/x
  3. Step 3: Cross multiply
    115,207.53x = 172,829.52 × 40,325.86
  4. Step 4: Simplify right side
    115,207.53x = 6,969,498,825.76
  5. Step 5: Solve for x
    x = 6,969,498,825.76/115,207.53
  6. Step 6: Final answer
    x = 60,495.17

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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.