Home / 154,961.71-232,442.41-42,642.55

Finding the Fourth Proportional to 154,961.71, 232,442.41 and 42,642.55

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Solution

The fourth proportional to 154,961.71, 232,442.41 and 42,642.55 is: 63,963.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,961.71 : 232,442.41 = 42,642.55 : x
  2. Step 2: Convert to fraction form
    154,961.71/232,442.41 = 42,642.55/x
  3. Step 3: Cross multiply
    154,961.71x = 232,442.41 × 42,642.55
  4. Step 4: Simplify right side
    154,961.71x = 9,911,937,354.45
  5. Step 5: Solve for x
    x = 9,911,937,354.45/154,961.71
  6. Step 6: Final answer
    x = 63,963.79

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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.