Home / 130,427.68-195,615.60-63,839.20

Finding the Fourth Proportional to 130,427.68, 195,615.60 and 63,839.20

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Solution

The fourth proportional to 130,427.68, 195,615.60 and 63,839.20 is: 95,746.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,427.68 : 195,615.60 = 63,839.20 : x
  2. Step 2: Convert to fraction form
    130,427.68/195,615.60 = 63,839.20/x
  3. Step 3: Cross multiply
    130,427.68x = 195,615.60 × 63,839.20
  4. Step 4: Simplify right side
    130,427.68x = 12,487,943,411.52
  5. Step 5: Solve for x
    x = 12,487,943,411.52/130,427.68
  6. Step 6: Final answer
    x = 95,746.11

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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.