Home / 109,731.84-163,799.04-99,287.04

Finding the Fourth Proportional to 109,731.84, 163,799.04 and 99,287.04

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Solution

The fourth proportional to 109,731.84, 163,799.04 and 99,287.04 is: 148,207.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,731.84 : 163,799.04 = 99,287.04 : x
  2. Step 2: Convert to fraction form
    109,731.84/163,799.04 = 99,287.04/x
  3. Step 3: Cross multiply
    109,731.84x = 163,799.04 × 99,287.04
  4. Step 4: Simplify right side
    109,731.84x = 16,263,121,836.44
  5. Step 5: Solve for x
    x = 16,263,121,836.44/109,731.84
  6. Step 6: Final answer
    x = 148,207.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.