Home / 130,404.30-195,460.65-55,511.70

Finding the Fourth Proportional to 130,404.30, 195,460.65 and 55,511.70

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Solution

The fourth proportional to 130,404.30, 195,460.65 and 55,511.70 is: 83,205.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,404.30 : 195,460.65 = 55,511.70 : x
  2. Step 2: Convert to fraction form
    130,404.30/195,460.65 = 55,511.70/x
  3. Step 3: Cross multiply
    130,404.30x = 195,460.65 × 55,511.70
  4. Step 4: Simplify right side
    130,404.30x = 10,850,352,964.61
  5. Step 5: Solve for x
    x = 10,850,352,964.61/130,404.30
  6. Step 6: Final answer
    x = 83,205.48

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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.