Home / 147,981.78-222,005.54-69,052.95

Finding the Fourth Proportional to 147,981.78, 222,005.54 and 69,052.95

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Solution

The fourth proportional to 147,981.78, 222,005.54 and 69,052.95 is: 103,594.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,981.78 : 222,005.54 = 69,052.95 : x
  2. Step 2: Convert to fraction form
    147,981.78/222,005.54 = 69,052.95/x
  3. Step 3: Cross multiply
    147,981.78x = 222,005.54 × 69,052.95
  4. Step 4: Simplify right side
    147,981.78x = 15,330,137,625.98
  5. Step 5: Solve for x
    x = 15,330,137,625.98/147,981.78
  6. Step 6: Final answer
    x = 103,594.76

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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.