Home / 102,002.25-153,069.39-39,672.75

Finding the Fourth Proportional to 102,002.25, 153,069.39 and 39,672.75

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Solution

The fourth proportional to 102,002.25, 153,069.39 and 39,672.75 is: 59,534.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,002.25 : 153,069.39 = 39,672.75 : x
  2. Step 2: Convert to fraction form
    102,002.25/153,069.39 = 39,672.75/x
  3. Step 3: Cross multiply
    102,002.25x = 153,069.39 × 39,672.75
  4. Step 4: Simplify right side
    102,002.25x = 6,072,683,642.12
  5. Step 5: Solve for x
    x = 6,072,683,642.12/102,002.25
  6. Step 6: Final answer
    x = 59,534.80

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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.