Home / 100,132.60-149,907.30-60,669.40

Finding the Fourth Proportional to 100,132.60, 149,907.30 and 60,669.40

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Solution

The fourth proportional to 100,132.60, 149,907.30 and 60,669.40 is: 90,827.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,132.60 : 149,907.30 = 60,669.40 : x
  2. Step 2: Convert to fraction form
    100,132.60/149,907.30 = 60,669.40/x
  3. Step 3: Cross multiply
    100,132.60x = 149,907.30 × 60,669.40
  4. Step 4: Simplify right side
    100,132.60x = 9,094,785,946.62
  5. Step 5: Solve for x
    x = 9,094,785,946.62/100,132.60
  6. Step 6: Final answer
    x = 90,827.42

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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.