Home / 127,401.05-175,815.41-70,042.86

Finding the Fourth Proportional to 127,401.05, 175,815.41 and 70,042.86

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Solution

The fourth proportional to 127,401.05, 175,815.41 and 70,042.86 is: 96,660.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,401.05 : 175,815.41 = 70,042.86 : x
  2. Step 2: Convert to fraction form
    127,401.05/175,815.41 = 70,042.86/x
  3. Step 3: Cross multiply
    127,401.05x = 175,815.41 × 70,042.86
  4. Step 4: Simplify right side
    127,401.05x = 12,314,614,148.47
  5. Step 5: Solve for x
    x = 12,314,614,148.47/127,401.05
  6. Step 6: Final answer
    x = 96,660.22

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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.