Home / 125,099.27-172,633.77-69,909.05

Finding the Fourth Proportional to 125,099.27, 172,633.77 and 69,909.05

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Solution

The fourth proportional to 125,099.27, 172,633.77 and 69,909.05 is: 96,472.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,099.27 : 172,633.77 = 69,909.05 : x
  2. Step 2: Convert to fraction form
    125,099.27/172,633.77 = 69,909.05/x
  3. Step 3: Cross multiply
    125,099.27x = 172,633.77 × 69,909.05
  4. Step 4: Simplify right side
    125,099.27x = 12,068,662,858.62
  5. Step 5: Solve for x
    x = 12,068,662,858.62/125,099.27
  6. Step 6: Final answer
    x = 96,472.69

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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.