Home / 130,033.76-179,444.04-72,673.61

Finding the Fourth Proportional to 130,033.76, 179,444.04 and 72,673.61

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Solution

The fourth proportional to 130,033.76, 179,444.04 and 72,673.61 is: 100,288.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,033.76 : 179,444.04 = 72,673.61 : x
  2. Step 2: Convert to fraction form
    130,033.76/179,444.04 = 72,673.61/x
  3. Step 3: Cross multiply
    130,033.76x = 179,444.04 × 72,673.61
  4. Step 4: Simplify right side
    130,033.76x = 13,040,846,179.78
  5. Step 5: Solve for x
    x = 13,040,846,179.78/130,033.76
  6. Step 6: Final answer
    x = 100,288.16

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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.