Home / 130,251.28-179,707.08-72,884.65

Finding the Fourth Proportional to 130,251.28, 179,707.08 and 72,884.65

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Solution

The fourth proportional to 130,251.28, 179,707.08 and 72,884.65 is: 100,558.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,251.28 : 179,707.08 = 72,884.65 : x
  2. Step 2: Convert to fraction form
    130,251.28/179,707.08 = 72,884.65/x
  3. Step 3: Cross multiply
    130,251.28x = 179,707.08 × 72,884.65
  4. Step 4: Simplify right side
    130,251.28x = 13,097,887,628.32
  5. Step 5: Solve for x
    x = 13,097,887,628.32/130,251.28
  6. Step 6: Final answer
    x = 100,558.61

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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.