Home / 112,778.54-155,279.23-95,749.10

Finding the Fourth Proportional to 112,778.54, 155,279.23 and 95,749.10

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Solution

The fourth proportional to 112,778.54, 155,279.23 and 95,749.10 is: 131,832.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,778.54 : 155,279.23 = 95,749.10 : x
  2. Step 2: Convert to fraction form
    112,778.54/155,279.23 = 95,749.10/x
  3. Step 3: Cross multiply
    112,778.54x = 155,279.23 × 95,749.10
  4. Step 4: Simplify right side
    112,778.54x = 14,867,846,521.19
  5. Step 5: Solve for x
    x = 14,867,846,521.19/112,778.54
  6. Step 6: Final answer
    x = 131,832.23

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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.