Home / 154,938.80-232,485-61,442.48

Finding the Fourth Proportional to 154,938.80, 232,485 and 61,442.48

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Solution

The fourth proportional to 154,938.80, 232,485 and 61,442.48 is: 92,194.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,938.80 : 232,485 = 61,442.48 : x
  2. Step 2: Convert to fraction form
    154,938.80/232,485 = 61,442.48/x
  3. Step 3: Cross multiply
    154,938.80x = 232,485 × 61,442.48
  4. Step 4: Simplify right side
    154,938.80x = 14,284,454,962.80
  5. Step 5: Solve for x
    x = 14,284,454,962.80/154,938.80
  6. Step 6: Final answer
    x = 92,194.18

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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.