Home / 97,428.20-146,142.30-38,244.20

Finding the Fourth Proportional to 97,428.20, 146,142.30 and 38,244.20

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Solution

The fourth proportional to 97,428.20, 146,142.30 and 38,244.20 is: 57,366.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,428.20 : 146,142.30 = 38,244.20 : x
  2. Step 2: Convert to fraction form
    97,428.20/146,142.30 = 38,244.20/x
  3. Step 3: Cross multiply
    97,428.20x = 146,142.30 × 38,244.20
  4. Step 4: Simplify right side
    97,428.20x = 5,589,095,349.66
  5. Step 5: Solve for x
    x = 5,589,095,349.66/97,428.20
  6. Step 6: Final answer
    x = 57,366.30

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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.