Home / 116,820.20-175,230.30-42,938.60

Finding the Fourth Proportional to 116,820.20, 175,230.30 and 42,938.60

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Solution

The fourth proportional to 116,820.20, 175,230.30 and 42,938.60 is: 64,407.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,820.20 : 175,230.30 = 42,938.60 : x
  2. Step 2: Convert to fraction form
    116,820.20/175,230.30 = 42,938.60/x
  3. Step 3: Cross multiply
    116,820.20x = 175,230.30 × 42,938.60
  4. Step 4: Simplify right side
    116,820.20x = 7,524,143,759.58
  5. Step 5: Solve for x
    x = 7,524,143,759.58/116,820.20
  6. Step 6: Final answer
    x = 64,407.90

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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.