Home / 127,434.15-175,863.65-70,077.83

Finding the Fourth Proportional to 127,434.15, 175,863.65 and 70,077.83

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Solution

The fourth proportional to 127,434.15, 175,863.65 and 70,077.83 is: 96,709.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,434.15 : 175,863.65 = 70,077.83 : x
  2. Step 2: Convert to fraction form
    127,434.15/175,863.65 = 70,077.83/x
  3. Step 3: Cross multiply
    127,434.15x = 175,863.65 × 70,077.83
  4. Step 4: Simplify right side
    127,434.15x = 12,324,143,057.15
  5. Step 5: Solve for x
    x = 12,324,143,057.15/127,434.15
  6. Step 6: Final answer
    x = 96,709.89

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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.