Home / 126,883.80-175,095-73,171.08

Finding the Fourth Proportional to 126,883.80, 175,095 and 73,171.08

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Solution

The fourth proportional to 126,883.80, 175,095 and 73,171.08 is: 100,973.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,883.80 : 175,095 = 73,171.08 : x
  2. Step 2: Convert to fraction form
    126,883.80/175,095 = 73,171.08/x
  3. Step 3: Cross multiply
    126,883.80x = 175,095 × 73,171.08
  4. Step 4: Simplify right side
    126,883.80x = 12,811,890,252.60
  5. Step 5: Solve for x
    x = 12,811,890,252.60/126,883.80
  6. Step 6: Final answer
    x = 100,973.41

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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.