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Finding the Fourth Proportional to 144,851.40, 202,930.20 and 144,851.40

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Solution

The fourth proportional to 144,851.40, 202,930.20 and 144,851.40 is: 202,930.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,851.40 : 202,930.20 = 144,851.40 : x
  2. Step 2: Convert to fraction form
    144,851.40/202,930.20 = 144,851.40/x
  3. Step 3: Cross multiply
    144,851.40x = 202,930.20 × 144,851.40
  4. Step 4: Simplify right side
    144,851.40x = 29,394,723,572.28
  5. Step 5: Solve for x
    x = 29,394,723,572.28/144,851.40
  6. Step 6: Final answer
    x = 202,930.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.