Home / 230,107.20-345,290.40-89,847.60

Finding the Fourth Proportional to 230,107.20, 345,290.40 and 89,847.60

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Solution

The fourth proportional to 230,107.20, 345,290.40 and 89,847.60 is: 134,822.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,107.20 : 345,290.40 = 89,847.60 : x
  2. Step 2: Convert to fraction form
    230,107.20/345,290.40 = 89,847.60/x
  3. Step 3: Cross multiply
    230,107.20x = 345,290.40 × 89,847.60
  4. Step 4: Simplify right side
    230,107.20x = 31,023,513,743.04
  5. Step 5: Solve for x
    x = 31,023,513,743.04/230,107.20
  6. Step 6: Final answer
    x = 134,822.00

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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.