Home / 147,856.64-221,738.43-47,993.77

Finding the Fourth Proportional to 147,856.64, 221,738.43 and 47,993.77

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Solution

The fourth proportional to 147,856.64, 221,738.43 and 47,993.77 is: 71,975.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,856.64 : 221,738.43 = 47,993.77 : x
  2. Step 2: Convert to fraction form
    147,856.64/221,738.43 = 47,993.77/x
  3. Step 3: Cross multiply
    147,856.64x = 221,738.43 × 47,993.77
  4. Step 4: Simplify right side
    147,856.64x = 10,642,063,209.58
  5. Step 5: Solve for x
    x = 10,642,063,209.58/147,856.64
  6. Step 6: Final answer
    x = 71,975.55

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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.