Home / 155,230.02-232,650.25-66,379.04

Finding the Fourth Proportional to 155,230.02, 232,650.25 and 66,379.04

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Solution

The fourth proportional to 155,230.02, 232,650.25 and 66,379.04 is: 99,485.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,230.02 : 232,650.25 = 66,379.04 : x
  2. Step 2: Convert to fraction form
    155,230.02/232,650.25 = 66,379.04/x
  3. Step 3: Cross multiply
    155,230.02x = 232,650.25 × 66,379.04
  4. Step 4: Simplify right side
    155,230.02x = 15,443,100,500.49
  5. Step 5: Solve for x
    x = 15,443,100,500.49/155,230.02
  6. Step 6: Final answer
    x = 99,485.27

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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.