Home / 112,280.35-168,274.27-45,642.64

Finding the Fourth Proportional to 112,280.35, 168,274.27 and 45,642.64

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Solution

The fourth proportional to 112,280.35, 168,274.27 and 45,642.64 is: 68,404.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,280.35 : 168,274.27 = 45,642.64 : x
  2. Step 2: Convert to fraction form
    112,280.35/168,274.27 = 45,642.64/x
  3. Step 3: Cross multiply
    112,280.35x = 168,274.27 × 45,642.64
  4. Step 4: Simplify right side
    112,280.35x = 7,680,481,926.87
  5. Step 5: Solve for x
    x = 7,680,481,926.87/112,280.35
  6. Step 6: Final answer
    x = 68,404.51

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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.