Home / 109,808.13-151,536.86-61,415.29

Finding the Fourth Proportional to 109,808.13, 151,536.86 and 61,415.29

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Solution

The fourth proportional to 109,808.13, 151,536.86 and 61,415.29 is: 84,754.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,808.13 : 151,536.86 = 61,415.29 : x
  2. Step 2: Convert to fraction form
    109,808.13/151,536.86 = 61,415.29/x
  3. Step 3: Cross multiply
    109,808.13x = 151,536.86 × 61,415.29
  4. Step 4: Simplify right side
    109,808.13x = 9,306,680,202.59
  5. Step 5: Solve for x
    x = 9,306,680,202.59/109,808.13
  6. Step 6: Final answer
    x = 84,754.02

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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.