Home / 147,447.23-203,342.15-109,301.79

Finding the Fourth Proportional to 147,447.23, 203,342.15 and 109,301.79

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Solution

The fourth proportional to 147,447.23, 203,342.15 and 109,301.79 is: 150,736.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,447.23 : 203,342.15 = 109,301.79 : x
  2. Step 2: Convert to fraction form
    147,447.23/203,342.15 = 109,301.79/x
  3. Step 3: Cross multiply
    147,447.23x = 203,342.15 × 109,301.79
  4. Step 4: Simplify right side
    147,447.23x = 22,225,661,398.41
  5. Step 5: Solve for x
    x = 22,225,661,398.41/147,447.23
  6. Step 6: Final answer
    x = 150,736.38

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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.