Home / 127,434-175,859.13-70,845.38

Finding the Fourth Proportional to 127,434, 175,859.13 and 70,845.38

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Solution

The fourth proportional to 127,434, 175,859.13 and 70,845.38 is: 97,766.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,434 : 175,859.13 = 70,845.38 : x
  2. Step 2: Convert to fraction form
    127,434/175,859.13 = 70,845.38/x
  3. Step 3: Cross multiply
    127,434x = 175,859.13 × 70,845.38
  4. Step 4: Simplify right side
    127,434x = 12,458,806,012.02
  5. Step 5: Solve for x
    x = 12,458,806,012.02/127,434
  6. Step 6: Final answer
    x = 97,766.73

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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.