Home / 130,269.40-195,267.30-82,920.76

Finding the Fourth Proportional to 130,269.40, 195,267.30 and 82,920.76

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Solution

The fourth proportional to 130,269.40, 195,267.30 and 82,920.76 is: 124,294.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,269.40 : 195,267.30 = 82,920.76 : x
  2. Step 2: Convert to fraction form
    130,269.40/195,267.30 = 82,920.76/x
  3. Step 3: Cross multiply
    130,269.40x = 195,267.30 × 82,920.76
  4. Step 4: Simplify right side
    130,269.40x = 16,191,712,919.15
  5. Step 5: Solve for x
    x = 16,191,712,919.15/130,269.40
  6. Step 6: Final answer
    x = 124,294.06

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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.