Home / 154,977.30-232,487.55-66,230.10

Finding the Fourth Proportional to 154,977.30, 232,487.55 and 66,230.10

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Solution

The fourth proportional to 154,977.30, 232,487.55 and 66,230.10 is: 99,354.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,977.30 : 232,487.55 = 66,230.10 : x
  2. Step 2: Convert to fraction form
    154,977.30/232,487.55 = 66,230.10/x
  3. Step 3: Cross multiply
    154,977.30x = 232,487.55 × 66,230.10
  4. Step 4: Simplify right side
    154,977.30x = 15,397,673,685.26
  5. Step 5: Solve for x
    x = 15,397,673,685.26/154,977.30
  6. Step 6: Final answer
    x = 99,354.38

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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.