Home / 156,652.11-234,767.69-85,468.08

Finding the Fourth Proportional to 156,652.11, 234,767.69 and 85,468.08

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Solution

The fourth proportional to 156,652.11, 234,767.69 and 85,468.08 is: 128,087.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,652.11 : 234,767.69 = 85,468.08 : x
  2. Step 2: Convert to fraction form
    156,652.11/234,767.69 = 85,468.08/x
  3. Step 3: Cross multiply
    156,652.11x = 234,767.69 × 85,468.08
  4. Step 4: Simplify right side
    156,652.11x = 20,065,144,483.88
  5. Step 5: Solve for x
    x = 20,065,144,483.88/156,652.11
  6. Step 6: Final answer
    x = 128,087.29

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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.