Home / 125,251.68-172,854.27-71,554.13

Finding the Fourth Proportional to 125,251.68, 172,854.27 and 71,554.13

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Solution

The fourth proportional to 125,251.68, 172,854.27 and 71,554.13 is: 98,748.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,251.68 : 172,854.27 = 71,554.13 : x
  2. Step 2: Convert to fraction form
    125,251.68/172,854.27 = 71,554.13/x
  3. Step 3: Cross multiply
    125,251.68x = 172,854.27 × 71,554.13
  4. Step 4: Simplify right side
    125,251.68x = 12,368,436,906.64
  5. Step 5: Solve for x
    x = 12,368,436,906.64/125,251.68
  6. Step 6: Final answer
    x = 98,748.67

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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.