Home / 112,202.84-154,829.94-64,451.72

Finding the Fourth Proportional to 112,202.84, 154,829.94 and 64,451.72

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Solution

The fourth proportional to 112,202.84, 154,829.94 and 64,451.72 is: 88,937.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,202.84 : 154,829.94 = 64,451.72 : x
  2. Step 2: Convert to fraction form
    112,202.84/154,829.94 = 64,451.72/x
  3. Step 3: Cross multiply
    112,202.84x = 154,829.94 × 64,451.72
  4. Step 4: Simplify right side
    112,202.84x = 9,979,055,940.50
  5. Step 5: Solve for x
    x = 9,979,055,940.50/112,202.84
  6. Step 6: Final answer
    x = 88,937.64

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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.