Home / 127,077.68-175,364.52-70,488.56

Finding the Fourth Proportional to 127,077.68, 175,364.52 and 70,488.56

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Solution

The fourth proportional to 127,077.68, 175,364.52 and 70,488.56 is: 97,272.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,077.68 : 175,364.52 = 70,488.56 : x
  2. Step 2: Convert to fraction form
    127,077.68/175,364.52 = 70,488.56/x
  3. Step 3: Cross multiply
    127,077.68x = 175,364.52 × 70,488.56
  4. Step 4: Simplify right side
    127,077.68x = 12,361,192,489.89
  5. Step 5: Solve for x
    x = 12,361,192,489.89/127,077.68
  6. Step 6: Final answer
    x = 97,272.73

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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.