Home / 147,450.42-221,218.83-47,608.74

Finding the Fourth Proportional to 147,450.42, 221,218.83 and 47,608.74

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Solution

The fourth proportional to 147,450.42, 221,218.83 and 47,608.74 is: 71,427.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,450.42 : 221,218.83 = 47,608.74 : x
  2. Step 2: Convert to fraction form
    147,450.42/221,218.83 = 47,608.74/x
  3. Step 3: Cross multiply
    147,450.42x = 221,218.83 × 47,608.74
  4. Step 4: Simplify right side
    147,450.42x = 10,531,949,760.57
  5. Step 5: Solve for x
    x = 10,531,949,760.57/147,450.42
  6. Step 6: Final answer
    x = 71,427.06

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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.