Home / 148,200.25-204,516.36-81,132.25

Finding the Fourth Proportional to 148,200.25, 204,516.36 and 81,132.25

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Solution

The fourth proportional to 148,200.25, 204,516.36 and 81,132.25 is: 111,962.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,200.25 : 204,516.36 = 81,132.25 : x
  2. Step 2: Convert to fraction form
    148,200.25/204,516.36 = 81,132.25/x
  3. Step 3: Cross multiply
    148,200.25x = 204,516.36 × 81,132.25
  4. Step 4: Simplify right side
    148,200.25x = 16,592,872,448.61
  5. Step 5: Solve for x
    x = 16,592,872,448.61/148,200.25
  6. Step 6: Final answer
    x = 111,962.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.