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Finding the Fourth Proportional to 197,545, 272,614.02 and 108,122.92

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Solution

The fourth proportional to 197,545, 272,614.02 and 108,122.92 is: 149,210.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,545 : 272,614.02 = 108,122.92 : x
  2. Step 2: Convert to fraction form
    197,545/272,614.02 = 108,122.92/x
  3. Step 3: Cross multiply
    197,545x = 272,614.02 × 108,122.92
  4. Step 4: Simplify right side
    197,545x = 29,475,823,875.34
  5. Step 5: Solve for x
    x = 29,475,823,875.34/197,545
  6. Step 6: Final answer
    x = 149,210.68

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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.