Home / 115,154.85-172,715.87-36,267.02

Finding the Fourth Proportional to 115,154.85, 172,715.87 and 36,267.02

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Solution

The fourth proportional to 115,154.85, 172,715.87 and 36,267.02 is: 54,395.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,154.85 : 172,715.87 = 36,267.02 : x
  2. Step 2: Convert to fraction form
    115,154.85/172,715.87 = 36,267.02/x
  3. Step 3: Cross multiply
    115,154.85x = 172,715.87 × 36,267.02
  4. Step 4: Simplify right side
    115,154.85x = 6,263,889,911.61
  5. Step 5: Solve for x
    x = 6,263,889,911.61/115,154.85
  6. Step 6: Final answer
    x = 54,395.36

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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.