Home / 125,350.14-172,992.69-71,637.42

Finding the Fourth Proportional to 125,350.14, 172,992.69 and 71,637.42

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Solution

The fourth proportional to 125,350.14, 172,992.69 and 71,637.42 is: 98,865.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,350.14 : 172,992.69 = 71,637.42 : x
  2. Step 2: Convert to fraction form
    125,350.14/172,992.69 = 71,637.42/x
  3. Step 3: Cross multiply
    125,350.14x = 172,992.69 × 71,637.42
  4. Step 4: Simplify right side
    125,350.14x = 12,392,749,990.46
  5. Step 5: Solve for x
    x = 12,392,749,990.46/125,350.14
  6. Step 6: Final answer
    x = 98,865.07

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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.