Home / 130,886.40-196,621.20-125,572.80

Finding the Fourth Proportional to 130,886.40, 196,621.20 and 125,572.80

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Solution

The fourth proportional to 130,886.40, 196,621.20 and 125,572.80 is: 188,638.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,886.40 : 196,621.20 = 125,572.80 : x
  2. Step 2: Convert to fraction form
    130,886.40/196,621.20 = 125,572.80/x
  3. Step 3: Cross multiply
    130,886.40x = 196,621.20 × 125,572.80
  4. Step 4: Simplify right side
    130,886.40x = 24,690,274,623.36
  5. Step 5: Solve for x
    x = 24,690,274,623.36/130,886.40
  6. Step 6: Final answer
    x = 188,638.96

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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.