Home / 126,005.65-173,891.37-72,300.22

Finding the Fourth Proportional to 126,005.65, 173,891.37 and 72,300.22

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Solution

The fourth proportional to 126,005.65, 173,891.37 and 72,300.22 is: 99,776.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,005.65 : 173,891.37 = 72,300.22 : x
  2. Step 2: Convert to fraction form
    126,005.65/173,891.37 = 72,300.22/x
  3. Step 3: Cross multiply
    126,005.65x = 173,891.37 × 72,300.22
  4. Step 4: Simplify right side
    126,005.65x = 12,572,384,143.50
  5. Step 5: Solve for x
    x = 12,572,384,143.50/126,005.65
  6. Step 6: Final answer
    x = 99,776.35

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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.