Home / 130,229.17-179,751.35-76,550.17

Finding the Fourth Proportional to 130,229.17, 179,751.35 and 76,550.17

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Solution

The fourth proportional to 130,229.17, 179,751.35 and 76,550.17 is: 105,659.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,229.17 : 179,751.35 = 76,550.17 : x
  2. Step 2: Convert to fraction form
    130,229.17/179,751.35 = 76,550.17/x
  3. Step 3: Cross multiply
    130,229.17x = 179,751.35 × 76,550.17
  4. Step 4: Simplify right side
    130,229.17x = 13,759,996,400.23
  5. Step 5: Solve for x
    x = 13,759,996,400.23/130,229.17
  6. Step 6: Final answer
    x = 105,659.86

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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.