Home / 154,204.83-212,720.58-93,793.95

Finding the Fourth Proportional to 154,204.83, 212,720.58 and 93,793.95

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Solution

The fourth proportional to 154,204.83, 212,720.58 and 93,793.95 is: 129,385.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,204.83 : 212,720.58 = 93,793.95 : x
  2. Step 2: Convert to fraction form
    154,204.83/212,720.58 = 93,793.95/x
  3. Step 3: Cross multiply
    154,204.83x = 212,720.58 × 93,793.95
  4. Step 4: Simplify right side
    154,204.83x = 19,951,903,444.49
  5. Step 5: Solve for x
    x = 19,951,903,444.49/154,204.83
  6. Step 6: Final answer
    x = 129,385.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.