Home / 109,864.28-151,594.77-63,934.21

Finding the Fourth Proportional to 109,864.28, 151,594.77 and 63,934.21

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Solution

The fourth proportional to 109,864.28, 151,594.77 and 63,934.21 is: 88,218.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,864.28 : 151,594.77 = 63,934.21 : x
  2. Step 2: Convert to fraction form
    109,864.28/151,594.77 = 63,934.21/x
  3. Step 3: Cross multiply
    109,864.28x = 151,594.77 × 63,934.21
  4. Step 4: Simplify right side
    109,864.28x = 9,692,091,860.08
  5. Step 5: Solve for x
    x = 9,692,091,860.08/109,864.28
  6. Step 6: Final answer
    x = 88,218.77

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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.