Home / 130,810.92-180,519.44-74,222.16

Finding the Fourth Proportional to 130,810.92, 180,519.44 and 74,222.16

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Solution

The fourth proportional to 130,810.92, 180,519.44 and 74,222.16 is: 102,426.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,810.92 : 180,519.44 = 74,222.16 : x
  2. Step 2: Convert to fraction form
    130,810.92/180,519.44 = 74,222.16/x
  3. Step 3: Cross multiply
    130,810.92x = 180,519.44 × 74,222.16
  4. Step 4: Simplify right side
    130,810.92x = 13,398,542,758.79
  5. Step 5: Solve for x
    x = 13,398,542,758.79/130,810.92
  6. Step 6: Final answer
    x = 102,426.79

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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.