Home / 109,727.10-151,444.39-64,415.10

Finding the Fourth Proportional to 109,727.10, 151,444.39 and 64,415.10

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Solution

The fourth proportional to 109,727.10, 151,444.39 and 64,415.10 is: 88,905.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,727.10 : 151,444.39 = 64,415.10 : x
  2. Step 2: Convert to fraction form
    109,727.10/151,444.39 = 64,415.10/x
  3. Step 3: Cross multiply
    109,727.10x = 151,444.39 × 64,415.10
  4. Step 4: Simplify right side
    109,727.10x = 9,755,305,526.29
  5. Step 5: Solve for x
    x = 9,755,305,526.29/109,727.10
  6. Step 6: Final answer
    x = 88,905.16

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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.