Home / 94,945.20-142,302.60-42,298.80

Finding the Fourth Proportional to 94,945.20, 142,302.60 and 42,298.80

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Solution

The fourth proportional to 94,945.20, 142,302.60 and 42,298.80 is: 63,396.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,945.20 : 142,302.60 = 42,298.80 : x
  2. Step 2: Convert to fraction form
    94,945.20/142,302.60 = 42,298.80/x
  3. Step 3: Cross multiply
    94,945.20x = 142,302.60 × 42,298.80
  4. Step 4: Simplify right side
    94,945.20x = 6,019,229,216.88
  5. Step 5: Solve for x
    x = 6,019,229,216.88/94,945.20
  6. Step 6: Final answer
    x = 63,396.88

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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.