Home / 125,555.24-173,275.92-71,857.10

Finding the Fourth Proportional to 125,555.24, 173,275.92 and 71,857.10

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Solution

The fourth proportional to 125,555.24, 173,275.92 and 71,857.10 is: 99,168.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,555.24 : 173,275.92 = 71,857.10 : x
  2. Step 2: Convert to fraction form
    125,555.24/173,275.92 = 71,857.10/x
  3. Step 3: Cross multiply
    125,555.24x = 173,275.92 × 71,857.10
  4. Step 4: Simplify right side
    125,555.24x = 12,451,104,244.65
  5. Step 5: Solve for x
    x = 12,451,104,244.65/125,555.24
  6. Step 6: Final answer
    x = 99,168.34

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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.