Home / 130,979.60-196,304.20-56,011.12

Finding the Fourth Proportional to 130,979.60, 196,304.20 and 56,011.12

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Solution

The fourth proportional to 130,979.60, 196,304.20 and 56,011.12 is: 83,946.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,979.60 : 196,304.20 = 56,011.12 : x
  2. Step 2: Convert to fraction form
    130,979.60/196,304.20 = 56,011.12/x
  3. Step 3: Cross multiply
    130,979.60x = 196,304.20 × 56,011.12
  4. Step 4: Simplify right side
    130,979.60x = 10,995,218,102.70
  5. Step 5: Solve for x
    x = 10,995,218,102.70/130,979.60
  6. Step 6: Final answer
    x = 83,946.04

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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.