Home / 155,232.02-232,653.24-66,381.05

Finding the Fourth Proportional to 155,232.02, 232,653.24 and 66,381.05

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Solution

The fourth proportional to 155,232.02, 232,653.24 and 66,381.05 is: 99,488.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,232.02 : 232,653.24 = 66,381.05 : x
  2. Step 2: Convert to fraction form
    155,232.02/232,653.24 = 66,381.05/x
  3. Step 3: Cross multiply
    155,232.02x = 232,653.24 × 66,381.05
  4. Step 4: Simplify right side
    155,232.02x = 15,443,766,938.74
  5. Step 5: Solve for x
    x = 15,443,766,938.74/155,232.02
  6. Step 6: Final answer
    x = 99,488.28

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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.