Home / 153,975.18-230,969.24-75,155.70

Finding the Fourth Proportional to 153,975.18, 230,969.24 and 75,155.70

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Solution

The fourth proportional to 153,975.18, 230,969.24 and 75,155.70 is: 112,736.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,975.18 : 230,969.24 = 75,155.70 : x
  2. Step 2: Convert to fraction form
    153,975.18/230,969.24 = 75,155.70/x
  3. Step 3: Cross multiply
    153,975.18x = 230,969.24 × 75,155.70
  4. Step 4: Simplify right side
    153,975.18x = 17,358,654,910.67
  5. Step 5: Solve for x
    x = 17,358,654,910.67/153,975.18
  6. Step 6: Final answer
    x = 112,736.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.