Home / 125,596.08-173,149.38-100,188.63

Finding the Fourth Proportional to 125,596.08, 173,149.38 and 100,188.63

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Solution

The fourth proportional to 125,596.08, 173,149.38 and 100,188.63 is: 138,122.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,596.08 : 173,149.38 = 100,188.63 : x
  2. Step 2: Convert to fraction form
    125,596.08/173,149.38 = 100,188.63/x
  3. Step 3: Cross multiply
    125,596.08x = 173,149.38 × 100,188.63
  4. Step 4: Simplify right side
    125,596.08x = 17,347,599,167.55
  5. Step 5: Solve for x
    x = 17,347,599,167.55/125,596.08
  6. Step 6: Final answer
    x = 138,122.14

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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.