Home / 127,077.32-175,366.14-72,628.58

Finding the Fourth Proportional to 127,077.32, 175,366.14 and 72,628.58

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Solution

The fourth proportional to 127,077.32, 175,366.14 and 72,628.58 is: 100,227.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,077.32 : 175,366.14 = 72,628.58 : x
  2. Step 2: Convert to fraction form
    127,077.32/175,366.14 = 72,628.58/x
  3. Step 3: Cross multiply
    127,077.32x = 175,366.14 × 72,628.58
  4. Step 4: Simplify right side
    127,077.32x = 12,736,593,728.28
  5. Step 5: Solve for x
    x = 12,736,593,728.28/127,077.32
  6. Step 6: Final answer
    x = 100,227.12

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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.