Home / 154,966.20-232,449.15-42,647.06

Finding the Fourth Proportional to 154,966.20, 232,449.15 and 42,647.06

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Solution

The fourth proportional to 154,966.20, 232,449.15 and 42,647.06 is: 63,970.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,966.20 : 232,449.15 = 42,647.06 : x
  2. Step 2: Convert to fraction form
    154,966.20/232,449.15 = 42,647.06/x
  3. Step 3: Cross multiply
    154,966.20x = 232,449.15 × 42,647.06
  4. Step 4: Simplify right side
    154,966.20x = 9,913,272,847.00
  5. Step 5: Solve for x
    x = 9,913,272,847.00/154,966.20
  6. Step 6: Final answer
    x = 63,970.55

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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.