Home / 130,891.80-196,337.70-84,005.40

Finding the Fourth Proportional to 130,891.80, 196,337.70 and 84,005.40

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Solution

The fourth proportional to 130,891.80, 196,337.70 and 84,005.40 is: 126,008.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,891.80 : 196,337.70 = 84,005.40 : x
  2. Step 2: Convert to fraction form
    130,891.80/196,337.70 = 84,005.40/x
  3. Step 3: Cross multiply
    130,891.80x = 196,337.70 × 84,005.40
  4. Step 4: Simplify right side
    130,891.80x = 16,493,427,023.58
  5. Step 5: Solve for x
    x = 16,493,427,023.58/130,891.80
  6. Step 6: Final answer
    x = 126,008.10

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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.