Home / 130,189.76-195,215.18-61,729.37

Finding the Fourth Proportional to 130,189.76, 195,215.18 and 61,729.37

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Solution

The fourth proportional to 130,189.76, 195,215.18 and 61,729.37 is: 92,561.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,189.76 : 195,215.18 = 61,729.37 : x
  2. Step 2: Convert to fraction form
    130,189.76/195,215.18 = 61,729.37/x
  3. Step 3: Cross multiply
    130,189.76x = 195,215.18 × 61,729.37
  4. Step 4: Simplify right side
    130,189.76x = 12,050,510,718.20
  5. Step 5: Solve for x
    x = 12,050,510,718.20/130,189.76
  6. Step 6: Final answer
    x = 92,561.12

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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.