Home / 130,616.32-180,252.66-74,026.48

Finding the Fourth Proportional to 130,616.32, 180,252.66 and 74,026.48

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Solution

The fourth proportional to 130,616.32, 180,252.66 and 74,026.48 is: 102,157.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,616.32 : 180,252.66 = 74,026.48 : x
  2. Step 2: Convert to fraction form
    130,616.32/180,252.66 = 74,026.48/x
  3. Step 3: Cross multiply
    130,616.32x = 180,252.66 × 74,026.48
  4. Step 4: Simplify right side
    130,616.32x = 13,343,469,930.44
  5. Step 5: Solve for x
    x = 13,343,469,930.44/130,616.32
  6. Step 6: Final answer
    x = 102,157.75

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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.