Home / 235,631.28-325,047.24-140,070

Finding the Fourth Proportional to 235,631.28, 325,047.24 and 140,070

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Solution

The fourth proportional to 235,631.28, 325,047.24 and 140,070 is: 193,222.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,631.28 : 325,047.24 = 140,070 : x
  2. Step 2: Convert to fraction form
    235,631.28/325,047.24 = 140,070/x
  3. Step 3: Cross multiply
    235,631.28x = 325,047.24 × 140,070
  4. Step 4: Simplify right side
    235,631.28x = 45,529,366,906.80
  5. Step 5: Solve for x
    x = 45,529,366,906.80/235,631.28
  6. Step 6: Final answer
    x = 193,222.93

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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.