Home / 155,229.77-232,649.87-66,378.79

Finding the Fourth Proportional to 155,229.77, 232,649.87 and 66,378.79

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Solution

The fourth proportional to 155,229.77, 232,649.87 and 66,378.79 is: 99,484.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,229.77 : 232,649.87 = 66,378.79 : x
  2. Step 2: Convert to fraction form
    155,229.77/232,649.87 = 66,378.79/x
  3. Step 3: Cross multiply
    155,229.77x = 232,649.87 × 66,378.79
  4. Step 4: Simplify right side
    155,229.77x = 15,443,017,196.56
  5. Step 5: Solve for x
    x = 15,443,017,196.56/155,229.77
  6. Step 6: Final answer
    x = 99,484.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.