Home / 154,961.60-232,442.40-42,641.60

Finding the Fourth Proportional to 154,961.60, 232,442.40 and 42,641.60

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Solution

The fourth proportional to 154,961.60, 232,442.40 and 42,641.60 is: 63,962.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,961.60 : 232,442.40 = 42,641.60 : x
  2. Step 2: Convert to fraction form
    154,961.60/232,442.40 = 42,641.60/x
  3. Step 3: Cross multiply
    154,961.60x = 232,442.40 × 42,641.60
  4. Step 4: Simplify right side
    154,961.60x = 9,911,715,843.84
  5. Step 5: Solve for x
    x = 9,911,715,843.84/154,961.60
  6. Step 6: Final answer
    x = 63,962.40

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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.