Home / 210,946.60-291,061.20-124,932.56

Finding the Fourth Proportional to 210,946.60, 291,061.20 and 124,932.56

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Solution

The fourth proportional to 210,946.60, 291,061.20 and 124,932.56 is: 172,380.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,946.60 : 291,061.20 = 124,932.56 : x
  2. Step 2: Convert to fraction form
    210,946.60/291,061.20 = 124,932.56/x
  3. Step 3: Cross multiply
    210,946.60x = 291,061.20 × 124,932.56
  4. Step 4: Simplify right side
    210,946.60x = 36,363,020,832.67
  5. Step 5: Solve for x
    x = 36,363,020,832.67/210,946.60
  6. Step 6: Final answer
    x = 172,380.22

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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.