Home / 130,717.80-195,930.90-55,825.20

Finding the Fourth Proportional to 130,717.80, 195,930.90 and 55,825.20

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Solution

The fourth proportional to 130,717.80, 195,930.90 and 55,825.20 is: 83,675.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,717.80 : 195,930.90 = 55,825.20 : x
  2. Step 2: Convert to fraction form
    130,717.80/195,930.90 = 55,825.20/x
  3. Step 3: Cross multiply
    130,717.80x = 195,930.90 × 55,825.20
  4. Step 4: Simplify right side
    130,717.80x = 10,937,881,678.68
  5. Step 5: Solve for x
    x = 10,937,881,678.68/130,717.80
  6. Step 6: Final answer
    x = 83,675.53

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1.5x scale

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.