Home / 129,934.25-179,309.27-70,318.25

Finding the Fourth Proportional to 129,934.25, 179,309.27 and 70,318.25

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Solution

The fourth proportional to 129,934.25, 179,309.27 and 70,318.25 is: 97,039.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,934.25 : 179,309.27 = 70,318.25 : x
  2. Step 2: Convert to fraction form
    129,934.25/179,309.27 = 70,318.25/x
  3. Step 3: Cross multiply
    129,934.25x = 179,309.27 × 70,318.25
  4. Step 4: Simplify right side
    129,934.25x = 12,608,713,723.59
  5. Step 5: Solve for x
    x = 12,608,713,723.59/129,934.25
  6. Step 6: Final answer
    x = 97,039.19

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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.