Home / 130,352.76-195,352.29-55,378.89

Finding the Fourth Proportional to 130,352.76, 195,352.29 and 55,378.89

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Solution

The fourth proportional to 130,352.76, 195,352.29 and 55,378.89 is: 82,993.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,352.76 : 195,352.29 = 55,378.89 : x
  2. Step 2: Convert to fraction form
    130,352.76/195,352.29 = 55,378.89/x
  3. Step 3: Cross multiply
    130,352.76x = 195,352.29 × 55,378.89
  4. Step 4: Simplify right side
    130,352.76x = 10,818,392,979.16
  5. Step 5: Solve for x
    x = 10,818,392,979.16/130,352.76
  6. Step 6: Final answer
    x = 82,993.20

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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.