Home / 130,960.38-180,747.24-77,258.72

Finding the Fourth Proportional to 130,960.38, 180,747.24 and 77,258.72

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Solution

The fourth proportional to 130,960.38, 180,747.24 and 77,258.72 is: 106,629.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,960.38 : 180,747.24 = 77,258.72 : x
  2. Step 2: Convert to fraction form
    130,960.38/180,747.24 = 77,258.72/x
  3. Step 3: Cross multiply
    130,960.38x = 180,747.24 × 77,258.72
  4. Step 4: Simplify right side
    130,960.38x = 13,964,300,405.93
  5. Step 5: Solve for x
    x = 13,964,300,405.93/130,960.38
  6. Step 6: Final answer
    x = 106,629.96

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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.