Home / 148,985.20-223,488.60-89,693.20

Finding the Fourth Proportional to 148,985.20, 223,488.60 and 89,693.20

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Solution

The fourth proportional to 148,985.20, 223,488.60 and 89,693.20 is: 134,546.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,985.20 : 223,488.60 = 89,693.20 : x
  2. Step 2: Convert to fraction form
    148,985.20/223,488.60 = 89,693.20/x
  3. Step 3: Cross multiply
    148,985.20x = 223,488.60 × 89,693.20
  4. Step 4: Simplify right side
    148,985.20x = 20,045,407,697.52
  5. Step 5: Solve for x
    x = 20,045,407,697.52/148,985.20
  6. Step 6: Final answer
    x = 134,546.30

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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.