Home / 130,384.20-195,722.10-100,932.60

Finding the Fourth Proportional to 130,384.20, 195,722.10 and 100,932.60

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Solution

The fourth proportional to 130,384.20, 195,722.10 and 100,932.60 is: 151,511.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,384.20 : 195,722.10 = 100,932.60 : x
  2. Step 2: Convert to fraction form
    130,384.20/195,722.10 = 100,932.60/x
  3. Step 3: Cross multiply
    130,384.20x = 195,722.10 × 100,932.60
  4. Step 4: Simplify right side
    130,384.20x = 19,754,740,430.46
  5. Step 5: Solve for x
    x = 19,754,740,430.46/130,384.20
  6. Step 6: Final answer
    x = 151,511.77

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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.