Home / 95,155.38-142,735.38-31,976.40

Finding the Fourth Proportional to 95,155.38, 142,735.38 and 31,976.40

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Solution

The fourth proportional to 95,155.38, 142,735.38 and 31,976.40 is: 47,965.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,155.38 : 142,735.38 = 31,976.40 : x
  2. Step 2: Convert to fraction form
    95,155.38/142,735.38 = 31,976.40/x
  3. Step 3: Cross multiply
    95,155.38x = 142,735.38 × 31,976.40
  4. Step 4: Simplify right side
    95,155.38x = 4,564,163,605.03
  5. Step 5: Solve for x
    x = 4,564,163,605.03/95,155.38
  6. Step 6: Final answer
    x = 47,965.38

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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.