Home / 146,763.20-219,885.60-91,294.40

Finding the Fourth Proportional to 146,763.20, 219,885.60 and 91,294.40

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Solution

The fourth proportional to 146,763.20, 219,885.60 and 91,294.40 is: 136,780.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,763.20 : 219,885.60 = 91,294.40 : x
  2. Step 2: Convert to fraction form
    146,763.20/219,885.60 = 91,294.40/x
  3. Step 3: Cross multiply
    146,763.20x = 219,885.60 × 91,294.40
  4. Step 4: Simplify right side
    146,763.20x = 20,074,323,920.64
  5. Step 5: Solve for x
    x = 20,074,323,920.64/146,763.20
  6. Step 6: Final answer
    x = 136,780.36

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1.5x scale

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.