Home / 127,438.04-175,868.92-70,079.72

Finding the Fourth Proportional to 127,438.04, 175,868.92 and 70,079.72

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Solution

The fourth proportional to 127,438.04, 175,868.92 and 70,079.72 is: 96,712.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,438.04 : 175,868.92 = 70,079.72 : x
  2. Step 2: Convert to fraction form
    127,438.04/175,868.92 = 70,079.72/x
  3. Step 3: Cross multiply
    127,438.04x = 175,868.92 × 70,079.72
  4. Step 4: Simplify right side
    127,438.04x = 12,324,843,878.56
  5. Step 5: Solve for x
    x = 12,324,843,878.56/127,438.04
  6. Step 6: Final answer
    x = 96,712.44

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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.