Home / 147,709.46-221,632.23-91,615.34

Finding the Fourth Proportional to 147,709.46, 221,632.23 and 91,615.34

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Solution

The fourth proportional to 147,709.46, 221,632.23 and 91,615.34 is: 137,465.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,709.46 : 221,632.23 = 91,615.34 : x
  2. Step 2: Convert to fraction form
    147,709.46/221,632.23 = 91,615.34/x
  3. Step 3: Cross multiply
    147,709.46x = 221,632.23 × 91,615.34
  4. Step 4: Simplify right side
    147,709.46x = 20,304,912,106.41
  5. Step 5: Solve for x
    x = 20,304,912,106.41/147,709.46
  6. Step 6: Final answer
    x = 137,465.21

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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.