Home / 102,372.80-153,559.20-93,515.45

Finding the Fourth Proportional to 102,372.80, 153,559.20 and 93,515.45

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Solution

The fourth proportional to 102,372.80, 153,559.20 and 93,515.45 is: 140,273.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,372.80 : 153,559.20 = 93,515.45 : x
  2. Step 2: Convert to fraction form
    102,372.80/153,559.20 = 93,515.45/x
  3. Step 3: Cross multiply
    102,372.80x = 153,559.20 × 93,515.45
  4. Step 4: Simplify right side
    102,372.80x = 14,360,157,689.64
  5. Step 5: Solve for x
    x = 14,360,157,689.64/102,372.80
  6. Step 6: Final answer
    x = 140,273.18

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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.