Home / 113,523.66-155,528.19-109,267.25

Finding the Fourth Proportional to 113,523.66, 155,528.19 and 109,267.25

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Solution

The fourth proportional to 113,523.66, 155,528.19 and 109,267.25 is: 149,696.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,523.66 : 155,528.19 = 109,267.25 : x
  2. Step 2: Convert to fraction form
    113,523.66/155,528.19 = 109,267.25/x
  3. Step 3: Cross multiply
    113,523.66x = 155,528.19 × 109,267.25
  4. Step 4: Simplify right side
    113,523.66x = 16,994,136,841.14
  5. Step 5: Solve for x
    x = 16,994,136,841.14/113,523.66
  6. Step 6: Final answer
    x = 149,696.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.