Home / 109,229.26-150,705.93-70,450.68

Finding the Fourth Proportional to 109,229.26, 150,705.93 and 70,450.68

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Solution

The fourth proportional to 109,229.26, 150,705.93 and 70,450.68 is: 97,202.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,229.26 : 150,705.93 = 70,450.68 : x
  2. Step 2: Convert to fraction form
    109,229.26/150,705.93 = 70,450.68/x
  3. Step 3: Cross multiply
    109,229.26x = 150,705.93 × 70,450.68
  4. Step 4: Simplify right side
    109,229.26x = 10,617,335,248.53
  5. Step 5: Solve for x
    x = 10,617,335,248.53/109,229.26
  6. Step 6: Final answer
    x = 97,202.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.