Home / 97,701.20-146,600.40-38,538.80

Finding the Fourth Proportional to 97,701.20, 146,600.40 and 38,538.80

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Solution

The fourth proportional to 97,701.20, 146,600.40 and 38,538.80 is: 57,827.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,701.20 : 146,600.40 = 38,538.80 : x
  2. Step 2: Convert to fraction form
    97,701.20/146,600.40 = 38,538.80/x
  3. Step 3: Cross multiply
    97,701.20x = 146,600.40 × 38,538.80
  4. Step 4: Simplify right side
    97,701.20x = 5,649,803,495.52
  5. Step 5: Solve for x
    x = 5,649,803,495.52/97,701.20
  6. Step 6: Final answer
    x = 57,827.37

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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.