Home / 147,625.35-221,473.19-47,785.56

Finding the Fourth Proportional to 147,625.35, 221,473.19 and 47,785.56

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Solution

The fourth proportional to 147,625.35, 221,473.19 and 47,785.56 is: 71,689.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,625.35 : 221,473.19 = 47,785.56 : x
  2. Step 2: Convert to fraction form
    147,625.35/221,473.19 = 47,785.56/x
  3. Step 3: Cross multiply
    147,625.35x = 221,473.19 × 47,785.56
  4. Step 4: Simplify right side
    147,625.35x = 10,583,220,409.14
  5. Step 5: Solve for x
    x = 10,583,220,409.14/147,625.35
  6. Step 6: Final answer
    x = 71,689.72

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1.5x scale

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.