Home / 112,219.28-168,329.19-45,612.44

Finding the Fourth Proportional to 112,219.28, 168,329.19 and 45,612.44

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Solution

The fourth proportional to 112,219.28, 168,329.19 and 45,612.44 is: 68,418.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,219.28 : 168,329.19 = 45,612.44 : x
  2. Step 2: Convert to fraction form
    112,219.28/168,329.19 = 45,612.44/x
  3. Step 3: Cross multiply
    112,219.28x = 168,329.19 × 45,612.44
  4. Step 4: Simplify right side
    112,219.28x = 7,677,905,079.12
  5. Step 5: Solve for x
    x = 7,677,905,079.12/112,219.28
  6. Step 6: Final answer
    x = 68,418.77

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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.