Home / 130,358.20-195,191.70-102,710.20

Finding the Fourth Proportional to 130,358.20, 195,191.70 and 102,710.20

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Solution

The fourth proportional to 130,358.20, 195,191.70 and 102,710.20 is: 153,793.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,358.20 : 195,191.70 = 102,710.20 : x
  2. Step 2: Convert to fraction form
    130,358.20/195,191.70 = 102,710.20/x
  3. Step 3: Cross multiply
    130,358.20x = 195,191.70 × 102,710.20
  4. Step 4: Simplify right side
    130,358.20x = 20,048,178,545.34
  5. Step 5: Solve for x
    x = 20,048,178,545.34/130,358.20
  6. Step 6: Final answer
    x = 153,793.00

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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.