Home / 130,616.48-196,011.84-83,902.88

Finding the Fourth Proportional to 130,616.48, 196,011.84 and 83,902.88

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Solution

The fourth proportional to 130,616.48, 196,011.84 and 83,902.88 is: 125,910.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,616.48 : 196,011.84 = 83,902.88 : x
  2. Step 2: Convert to fraction form
    130,616.48/196,011.84 = 83,902.88/x
  3. Step 3: Cross multiply
    130,616.48x = 196,011.84 × 83,902.88
  4. Step 4: Simplify right side
    130,616.48x = 16,445,957,890.10
  5. Step 5: Solve for x
    x = 16,445,957,890.10/130,616.48
  6. Step 6: Final answer
    x = 125,910.28

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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.