Home / 129,824.25-179,157.47-70,208.25

Finding the Fourth Proportional to 129,824.25, 179,157.47 and 70,208.25

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Solution

The fourth proportional to 129,824.25, 179,157.47 and 70,208.25 is: 96,887.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,824.25 : 179,157.47 = 70,208.25 : x
  2. Step 2: Convert to fraction form
    129,824.25/179,157.47 = 70,208.25/x
  3. Step 3: Cross multiply
    129,824.25x = 179,157.47 × 70,208.25
  4. Step 4: Simplify right side
    129,824.25x = 12,578,332,092.09
  5. Step 5: Solve for x
    x = 12,578,332,092.09/129,824.25
  6. Step 6: Final answer
    x = 96,887.39

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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.