Home / 149,085.20-223,638.60-89,793.20

Finding the Fourth Proportional to 149,085.20, 223,638.60 and 89,793.20

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Solution

The fourth proportional to 149,085.20, 223,638.60 and 89,793.20 is: 134,696.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,085.20 : 223,638.60 = 89,793.20 : x
  2. Step 2: Convert to fraction form
    149,085.20/223,638.60 = 89,793.20/x
  3. Step 3: Cross multiply
    149,085.20x = 223,638.60 × 89,793.20
  4. Step 4: Simplify right side
    149,085.20x = 20,081,225,537.52
  5. Step 5: Solve for x
    x = 20,081,225,537.52/149,085.20
  6. Step 6: Final answer
    x = 134,696.30

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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.