Home / 115,211.90-172,817.87-36,332.30

Finding the Fourth Proportional to 115,211.90, 172,817.87 and 36,332.30

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Solution

The fourth proportional to 115,211.90, 172,817.87 and 36,332.30 is: 54,498.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,211.90 : 172,817.87 = 36,332.30 : x
  2. Step 2: Convert to fraction form
    115,211.90/172,817.87 = 36,332.30/x
  3. Step 3: Cross multiply
    115,211.90x = 172,817.87 × 36,332.30
  4. Step 4: Simplify right side
    115,211.90x = 6,278,869,652.45
  5. Step 5: Solve for x
    x = 6,278,869,652.45/115,211.90
  6. Step 6: Final answer
    x = 54,498.45

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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.