Home / 197,486.28-272,247.48-140,799.24

Finding the Fourth Proportional to 197,486.28, 272,247.48 and 140,799.24

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Solution

The fourth proportional to 197,486.28, 272,247.48 and 140,799.24 is: 194,100.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,486.28 : 272,247.48 = 140,799.24 : x
  2. Step 2: Convert to fraction form
    197,486.28/272,247.48 = 140,799.24/x
  3. Step 3: Cross multiply
    197,486.28x = 272,247.48 × 140,799.24
  4. Step 4: Simplify right side
    197,486.28x = 38,332,238,275.92
  5. Step 5: Solve for x
    x = 38,332,238,275.92/197,486.28
  6. Step 6: Final answer
    x = 194,100.77

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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.