Home / 87,419.86-131,202.69-64,952.08

Finding the Fourth Proportional to 87,419.86, 131,202.69 and 64,952.08

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Solution

The fourth proportional to 87,419.86, 131,202.69 and 64,952.08 is: 97,482.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,419.86 : 131,202.69 = 64,952.08 : x
  2. Step 2: Convert to fraction form
    87,419.86/131,202.69 = 64,952.08/x
  3. Step 3: Cross multiply
    87,419.86x = 131,202.69 × 64,952.08
  4. Step 4: Simplify right side
    87,419.86x = 8,521,887,617.10
  5. Step 5: Solve for x
    x = 8,521,887,617.10/87,419.86
  6. Step 6: Final answer
    x = 97,482.28

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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.