Home / 130,283.29-195,432.69-50,321.87

Finding the Fourth Proportional to 130,283.29, 195,432.69 and 50,321.87

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Solution

The fourth proportional to 130,283.29, 195,432.69 and 50,321.87 is: 75,485.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,283.29 : 195,432.69 = 50,321.87 : x
  2. Step 2: Convert to fraction form
    130,283.29/195,432.69 = 50,321.87/x
  3. Step 3: Cross multiply
    130,283.29x = 195,432.69 × 50,321.87
  4. Step 4: Simplify right side
    130,283.29x = 9,834,537,191.16
  5. Step 5: Solve for x
    x = 9,834,537,191.16/130,283.29
  6. Step 6: Final answer
    x = 75,485.79

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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.