Home / 125,065.08-172,589.60-67,704.12

Finding the Fourth Proportional to 125,065.08, 172,589.60 and 67,704.12

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Solution

The fourth proportional to 125,065.08, 172,589.60 and 67,704.12 is: 93,431.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,065.08 : 172,589.60 = 67,704.12 : x
  2. Step 2: Convert to fraction form
    125,065.08/172,589.60 = 67,704.12/x
  3. Step 3: Cross multiply
    125,065.08x = 172,589.60 × 67,704.12
  4. Step 4: Simplify right side
    125,065.08x = 11,685,026,989.15
  5. Step 5: Solve for x
    x = 11,685,026,989.15/125,065.08
  6. Step 6: Final answer
    x = 93,431.57

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1.5x scale

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.