Home / 160,769.82-221,861.94-89,148

Finding the Fourth Proportional to 160,769.82, 221,861.94 and 89,148

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Solution

The fourth proportional to 160,769.82, 221,861.94 and 89,148 is: 123,024.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,769.82 : 221,861.94 = 89,148 : x
  2. Step 2: Convert to fraction form
    160,769.82/221,861.94 = 89,148/x
  3. Step 3: Cross multiply
    160,769.82x = 221,861.94 × 89,148
  4. Step 4: Simplify right side
    160,769.82x = 19,778,548,227.12
  5. Step 5: Solve for x
    x = 19,778,548,227.12/160,769.82
  6. Step 6: Final answer
    x = 123,024.01

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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.