Home / 125,042.06-172,571.91-71,340.32

Finding the Fourth Proportional to 125,042.06, 172,571.91 and 71,340.32

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Solution

The fourth proportional to 125,042.06, 172,571.91 and 71,340.32 is: 98,457.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,042.06 : 172,571.91 = 71,340.32 : x
  2. Step 2: Convert to fraction form
    125,042.06/172,571.91 = 71,340.32/x
  3. Step 3: Cross multiply
    125,042.06x = 172,571.91 × 71,340.32
  4. Step 4: Simplify right side
    125,042.06x = 12,311,335,282.41
  5. Step 5: Solve for x
    x = 12,311,335,282.41/125,042.06
  6. Step 6: Final answer
    x = 98,457.55

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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.