Home / 73,430.85-110,146.37-20,123.29

Finding the Fourth Proportional to 73,430.85, 110,146.37 and 20,123.29

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Solution

The fourth proportional to 73,430.85, 110,146.37 and 20,123.29 is: 30,184.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,430.85 : 110,146.37 = 20,123.29 : x
  2. Step 2: Convert to fraction form
    73,430.85/110,146.37 = 20,123.29/x
  3. Step 3: Cross multiply
    73,430.85x = 110,146.37 × 20,123.29
  4. Step 4: Simplify right side
    73,430.85x = 2,216,506,969.97
  5. Step 5: Solve for x
    x = 2,216,506,969.97/73,430.85
  6. Step 6: Final answer
    x = 30,184.96

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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.