Home / 147,776.98-221,712.69-52,943.14

Finding the Fourth Proportional to 147,776.98, 221,712.69 and 52,943.14

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Solution

The fourth proportional to 147,776.98, 221,712.69 and 52,943.14 is: 79,431.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,776.98 : 221,712.69 = 52,943.14 : x
  2. Step 2: Convert to fraction form
    147,776.98/221,712.69 = 52,943.14/x
  3. Step 3: Cross multiply
    147,776.98x = 221,712.69 × 52,943.14
  4. Step 4: Simplify right side
    147,776.98x = 11,738,165,986.45
  5. Step 5: Solve for x
    x = 11,738,165,986.45/147,776.98
  6. Step 6: Final answer
    x = 79,431.63

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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.