Home / 147,474.47-221,190.14-72,574.58

Finding the Fourth Proportional to 147,474.47, 221,190.14 and 72,574.58

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Solution

The fourth proportional to 147,474.47, 221,190.14 and 72,574.58 is: 108,851.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,474.47 : 221,190.14 = 72,574.58 : x
  2. Step 2: Convert to fraction form
    147,474.47/221,190.14 = 72,574.58/x
  3. Step 3: Cross multiply
    147,474.47x = 221,190.14 × 72,574.58
  4. Step 4: Simplify right side
    147,474.47x = 16,052,782,245.05
  5. Step 5: Solve for x
    x = 16,052,782,245.05/147,474.47
  6. Step 6: Final answer
    x = 108,851.26

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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.