Home / 112,212.41-154,859.05-64,468.85

Finding the Fourth Proportional to 112,212.41, 154,859.05 and 64,468.85

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Solution

The fourth proportional to 112,212.41, 154,859.05 and 64,468.85 is: 88,970.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,212.41 : 154,859.05 = 64,468.85 : x
  2. Step 2: Convert to fraction form
    112,212.41/154,859.05 = 64,468.85/x
  3. Step 3: Cross multiply
    112,212.41x = 154,859.05 × 64,468.85
  4. Step 4: Simplify right side
    112,212.41x = 9,983,584,865.59
  5. Step 5: Solve for x
    x = 9,983,584,865.59/112,212.41
  6. Step 6: Final answer
    x = 88,970.42

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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.