Home / 127,076.72-175,371.60-70,488.08

Finding the Fourth Proportional to 127,076.72, 175,371.60 and 70,488.08

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Solution

The fourth proportional to 127,076.72, 175,371.60 and 70,488.08 is: 97,276.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,076.72 : 175,371.60 = 70,488.08 : x
  2. Step 2: Convert to fraction form
    127,076.72/175,371.60 = 70,488.08/x
  3. Step 3: Cross multiply
    127,076.72x = 175,371.60 × 70,488.08
  4. Step 4: Simplify right side
    127,076.72x = 12,361,607,370.53
  5. Step 5: Solve for x
    x = 12,361,607,370.53/127,076.72
  6. Step 6: Final answer
    x = 97,276.73

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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.