Home / 147,634.02-221,118.09-68,581.89

Finding the Fourth Proportional to 147,634.02, 221,118.09 and 68,581.89

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Solution

The fourth proportional to 147,634.02, 221,118.09 and 68,581.89 is: 102,718.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,634.02 : 221,118.09 = 68,581.89 : x
  2. Step 2: Convert to fraction form
    147,634.02/221,118.09 = 68,581.89/x
  3. Step 3: Cross multiply
    147,634.02x = 221,118.09 × 68,581.89
  4. Step 4: Simplify right side
    147,634.02x = 15,164,696,525.39
  5. Step 5: Solve for x
    x = 15,164,696,525.39/147,634.02
  6. Step 6: Final answer
    x = 102,718.17

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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.