Home / 165,122.90-247,516.22-65,145.86

Finding the Fourth Proportional to 165,122.90, 247,516.22 and 65,145.86

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Solution

The fourth proportional to 165,122.90, 247,516.22 and 65,145.86 is: 97,652.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,122.90 : 247,516.22 = 65,145.86 : x
  2. Step 2: Convert to fraction form
    165,122.90/247,516.22 = 65,145.86/x
  3. Step 3: Cross multiply
    165,122.90x = 247,516.22 × 65,145.86
  4. Step 4: Simplify right side
    165,122.90x = 16,124,655,941.13
  5. Step 5: Solve for x
    x = 16,124,655,941.13/165,122.90
  6. Step 6: Final answer
    x = 97,652.45

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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.