Home / 130,266.24-195,255.84-85,233.52

Finding the Fourth Proportional to 130,266.24, 195,255.84 and 85,233.52

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Solution

The fourth proportional to 130,266.24, 195,255.84 and 85,233.52 is: 127,756.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,266.24 : 195,255.84 = 85,233.52 : x
  2. Step 2: Convert to fraction form
    130,266.24/195,255.84 = 85,233.52/x
  3. Step 3: Cross multiply
    130,266.24x = 195,255.84 × 85,233.52
  4. Step 4: Simplify right side
    130,266.24x = 16,642,342,543.76
  5. Step 5: Solve for x
    x = 16,642,342,543.76/130,266.24
  6. Step 6: Final answer
    x = 127,756.37

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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.