Home / 143,680.94-215,521.41-43,841.66

Finding the Fourth Proportional to 143,680.94, 215,521.41 and 43,841.66

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Solution

The fourth proportional to 143,680.94, 215,521.41 and 43,841.66 is: 65,762.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,680.94 : 215,521.41 = 43,841.66 : x
  2. Step 2: Convert to fraction form
    143,680.94/215,521.41 = 43,841.66/x
  3. Step 3: Cross multiply
    143,680.94x = 215,521.41 × 43,841.66
  4. Step 4: Simplify right side
    143,680.94x = 9,448,815,220.13
  5. Step 5: Solve for x
    x = 9,448,815,220.13/143,680.94
  6. Step 6: Final answer
    x = 65,762.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.