Home / 148,218.16-204,402.88-137,209.34

Finding the Fourth Proportional to 148,218.16, 204,402.88 and 137,209.34

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Solution

The fourth proportional to 148,218.16, 204,402.88 and 137,209.34 is: 189,220.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,218.16 : 204,402.88 = 137,209.34 : x
  2. Step 2: Convert to fraction form
    148,218.16/204,402.88 = 137,209.34/x
  3. Step 3: Cross multiply
    148,218.16x = 204,402.88 × 137,209.34
  4. Step 4: Simplify right side
    148,218.16x = 28,045,984,258.90
  5. Step 5: Solve for x
    x = 28,045,984,258.90/148,218.16
  6. Step 6: Final answer
    x = 189,220.97

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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.