Home / 127,748.79-191,622.15-32,970.87

Finding the Fourth Proportional to 127,748.79, 191,622.15 and 32,970.87

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Solution

The fourth proportional to 127,748.79, 191,622.15 and 32,970.87 is: 49,456.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,748.79 : 191,622.15 = 32,970.87 : x
  2. Step 2: Convert to fraction form
    127,748.79/191,622.15 = 32,970.87/x
  3. Step 3: Cross multiply
    127,748.79x = 191,622.15 × 32,970.87
  4. Step 4: Simplify right side
    127,748.79x = 6,317,948,996.77
  5. Step 5: Solve for x
    x = 6,317,948,996.77/127,748.79
  6. Step 6: Final answer
    x = 49,456.04

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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.