Home / 97,255.20-134,207.64-65,418.96

Finding the Fourth Proportional to 97,255.20, 134,207.64 and 65,418.96

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Solution

The fourth proportional to 97,255.20, 134,207.64 and 65,418.96 is: 90,275.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,255.20 : 134,207.64 = 65,418.96 : x
  2. Step 2: Convert to fraction form
    97,255.20/134,207.64 = 65,418.96/x
  3. Step 3: Cross multiply
    97,255.20x = 134,207.64 × 65,418.96
  4. Step 4: Simplify right side
    97,255.20x = 8,779,724,232.85
  5. Step 5: Solve for x
    x = 8,779,724,232.85/97,255.20
  6. Step 6: Final answer
    x = 90,275.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.