Home / 143,363.91-213,971.75-140,998.92

Finding the Fourth Proportional to 143,363.91, 213,971.75 and 140,998.92

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Solution

The fourth proportional to 143,363.91, 213,971.75 and 140,998.92 is: 210,441.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,363.91 : 213,971.75 = 140,998.92 : x
  2. Step 2: Convert to fraction form
    143,363.91/213,971.75 = 140,998.92/x
  3. Step 3: Cross multiply
    143,363.91x = 213,971.75 × 140,998.92
  4. Step 4: Simplify right side
    143,363.91x = 30,169,786,013.01
  5. Step 5: Solve for x
    x = 30,169,786,013.01/143,363.91
  6. Step 6: Final answer
    x = 210,441.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.