Home / 125,131.40-172,680.44-67,769.42

Finding the Fourth Proportional to 125,131.40, 172,680.44 and 67,769.42

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Solution

The fourth proportional to 125,131.40, 172,680.44 and 67,769.42 is: 93,521.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,131.40 : 172,680.44 = 67,769.42 : x
  2. Step 2: Convert to fraction form
    125,131.40/172,680.44 = 67,769.42/x
  3. Step 3: Cross multiply
    125,131.40x = 172,680.44 × 67,769.42
  4. Step 4: Simplify right side
    125,131.40x = 11,702,453,264.14
  5. Step 5: Solve for x
    x = 11,702,453,264.14/125,131.40
  6. Step 6: Final answer
    x = 93,521.32

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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.