Home / 130,253.52-195,415.20-55,377.12

Finding the Fourth Proportional to 130,253.52, 195,415.20 and 55,377.12

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Solution

The fourth proportional to 130,253.52, 195,415.20 and 55,377.12 is: 83,080.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,253.52 : 195,415.20 = 55,377.12 : x
  2. Step 2: Convert to fraction form
    130,253.52/195,415.20 = 55,377.12/x
  3. Step 3: Cross multiply
    130,253.52x = 195,415.20 × 55,377.12
  4. Step 4: Simplify right side
    130,253.52x = 10,821,530,980.22
  5. Step 5: Solve for x
    x = 10,821,530,980.22/130,253.52
  6. Step 6: Final answer
    x = 83,080.53

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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.