Home / 147,494.88-221,463.86-84,386.25

Finding the Fourth Proportional to 147,494.88, 221,463.86 and 84,386.25

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Solution

The fourth proportional to 147,494.88, 221,463.86 and 84,386.25 is: 126,706.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,494.88 : 221,463.86 = 84,386.25 : x
  2. Step 2: Convert to fraction form
    147,494.88/221,463.86 = 84,386.25/x
  3. Step 3: Cross multiply
    147,494.88x = 221,463.86 × 84,386.25
  4. Step 4: Simplify right side
    147,494.88x = 18,688,504,233.99
  5. Step 5: Solve for x
    x = 18,688,504,233.99/147,494.88
  6. Step 6: Final answer
    x = 126,706.12

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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.