Home / 130,104.68-195,222.62-51,275.40

Finding the Fourth Proportional to 130,104.68, 195,222.62 and 51,275.40

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Solution

The fourth proportional to 130,104.68, 195,222.62 and 51,275.40 is: 76,938.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,104.68 : 195,222.62 = 51,275.40 : x
  2. Step 2: Convert to fraction form
    130,104.68/195,222.62 = 51,275.40/x
  3. Step 3: Cross multiply
    130,104.68x = 195,222.62 × 51,275.40
  4. Step 4: Simplify right side
    130,104.68x = 10,010,117,929.55
  5. Step 5: Solve for x
    x = 10,010,117,929.55/130,104.68
  6. Step 6: Final answer
    x = 76,938.95

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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.