Home / 127,251.36-175,604.16-70,661.76

Finding the Fourth Proportional to 127,251.36, 175,604.16 and 70,661.76

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Solution

The fourth proportional to 127,251.36, 175,604.16 and 70,661.76 is: 97,511.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,251.36 : 175,604.16 = 70,661.76 : x
  2. Step 2: Convert to fraction form
    127,251.36/175,604.16 = 70,661.76/x
  3. Step 3: Cross multiply
    127,251.36x = 175,604.16 × 70,661.76
  4. Step 4: Simplify right side
    127,251.36x = 12,408,499,008.92
  5. Step 5: Solve for x
    x = 12,408,499,008.92/127,251.36
  6. Step 6: Final answer
    x = 97,511.72

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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.