Home / 147,446.84-221,235.60-77,309.48

Finding the Fourth Proportional to 147,446.84, 221,235.60 and 77,309.48

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Solution

The fourth proportional to 147,446.84, 221,235.60 and 77,309.48 is: 115,998.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,446.84 : 221,235.60 = 77,309.48 : x
  2. Step 2: Convert to fraction form
    147,446.84/221,235.60 = 77,309.48/x
  3. Step 3: Cross multiply
    147,446.84x = 221,235.60 × 77,309.48
  4. Step 4: Simplify right side
    147,446.84x = 17,103,609,193.49
  5. Step 5: Solve for x
    x = 17,103,609,193.49/147,446.84
  6. Step 6: Final answer
    x = 115,998.48

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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.