Home / 139,962.90-209,881.17-40,100.24

Finding the Fourth Proportional to 139,962.90, 209,881.17 and 40,100.24

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Solution

The fourth proportional to 139,962.90, 209,881.17 and 40,100.24 is: 60,132.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,962.90 : 209,881.17 = 40,100.24 : x
  2. Step 2: Convert to fraction form
    139,962.90/209,881.17 = 40,100.24/x
  3. Step 3: Cross multiply
    139,962.90x = 209,881.17 × 40,100.24
  4. Step 4: Simplify right side
    139,962.90x = 8,416,284,239.07
  5. Step 5: Solve for x
    x = 8,416,284,239.07/139,962.90
  6. Step 6: Final answer
    x = 60,132.25

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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.