Home / 144,106.92-198,878.58-79,588.62

Finding the Fourth Proportional to 144,106.92, 198,878.58 and 79,588.62

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Solution

The fourth proportional to 144,106.92, 198,878.58 and 79,588.62 is: 109,838.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,106.92 : 198,878.58 = 79,588.62 : x
  2. Step 2: Convert to fraction form
    144,106.92/198,878.58 = 79,588.62/x
  3. Step 3: Cross multiply
    144,106.92x = 198,878.58 × 79,588.62
  4. Step 4: Simplify right side
    144,106.92x = 15,828,471,729.76
  5. Step 5: Solve for x
    x = 15,828,471,729.76/144,106.92
  6. Step 6: Final answer
    x = 109,838.39

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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.