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Finding the Fourth Proportional to 136,460.80, 197,315.20 and 136,460.80

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Solution

The fourth proportional to 136,460.80, 197,315.20 and 136,460.80 is: 197,315.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,460.80 : 197,315.20 = 136,460.80 : x
  2. Step 2: Convert to fraction form
    136,460.80/197,315.20 = 136,460.80/x
  3. Step 3: Cross multiply
    136,460.80x = 197,315.20 × 136,460.80
  4. Step 4: Simplify right side
    136,460.80x = 26,925,790,044.16
  5. Step 5: Solve for x
    x = 26,925,790,044.16/136,460.80
  6. Step 6: Final answer
    x = 197,315.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.