Home / 154,763.90-232,211.52-84,561.20

Finding the Fourth Proportional to 154,763.90, 232,211.52 and 84,561.20

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Solution

The fourth proportional to 154,763.90, 232,211.52 and 84,561.20 is: 126,877.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,763.90 : 232,211.52 = 84,561.20 : x
  2. Step 2: Convert to fraction form
    154,763.90/232,211.52 = 84,561.20/x
  3. Step 3: Cross multiply
    154,763.90x = 232,211.52 × 84,561.20
  4. Step 4: Simplify right side
    154,763.90x = 19,636,084,785.02
  5. Step 5: Solve for x
    x = 19,636,084,785.02/154,763.90
  6. Step 6: Final answer
    x = 126,877.68

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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.