Home / 127,444.78-175,872.40-70,087.97

Finding the Fourth Proportional to 127,444.78, 175,872.40 and 70,087.97

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Solution

The fourth proportional to 127,444.78, 175,872.40 and 70,087.97 is: 96,720.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,444.78 : 175,872.40 = 70,087.97 : x
  2. Step 2: Convert to fraction form
    127,444.78/175,872.40 = 70,087.97/x
  3. Step 3: Cross multiply
    127,444.78x = 175,872.40 × 70,087.97
  4. Step 4: Simplify right side
    127,444.78x = 12,326,539,495.03
  5. Step 5: Solve for x
    x = 12,326,539,495.03/127,444.78
  6. Step 6: Final answer
    x = 96,720.63

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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.