Home / 127,278.75-175,648.32-70,693.77

Finding the Fourth Proportional to 127,278.75, 175,648.32 and 70,693.77

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Solution

The fourth proportional to 127,278.75, 175,648.32 and 70,693.77 is: 97,559.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,278.75 : 175,648.32 = 70,693.77 : x
  2. Step 2: Convert to fraction form
    127,278.75/175,648.32 = 70,693.77/x
  3. Step 3: Cross multiply
    127,278.75x = 175,648.32 × 70,693.77
  4. Step 4: Simplify right side
    127,278.75x = 12,417,241,934.97
  5. Step 5: Solve for x
    x = 12,417,241,934.97/127,278.75
  6. Step 6: Final answer
    x = 97,559.43

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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.