Home / 127,439.04-175,870.30-70,080.72

Finding the Fourth Proportional to 127,439.04, 175,870.30 and 70,080.72

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Solution

The fourth proportional to 127,439.04, 175,870.30 and 70,080.72 is: 96,713.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,439.04 : 175,870.30 = 70,080.72 : x
  2. Step 2: Convert to fraction form
    127,439.04/175,870.30 = 70,080.72/x
  3. Step 3: Cross multiply
    127,439.04x = 175,870.30 × 70,080.72
  4. Step 4: Simplify right side
    127,439.04x = 12,325,117,250.62
  5. Step 5: Solve for x
    x = 12,325,117,250.62/127,439.04
  6. Step 6: Final answer
    x = 96,713.83

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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.