Home / 109,770.34-151,479.21-62,022.66

Finding the Fourth Proportional to 109,770.34, 151,479.21 and 62,022.66

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Solution

The fourth proportional to 109,770.34, 151,479.21 and 62,022.66 is: 85,589.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,770.34 : 151,479.21 = 62,022.66 : x
  2. Step 2: Convert to fraction form
    109,770.34/151,479.21 = 62,022.66/x
  3. Step 3: Cross multiply
    109,770.34x = 151,479.21 × 62,022.66
  4. Step 4: Simplify right side
    109,770.34x = 9,395,144,055.51
  5. Step 5: Solve for x
    x = 9,395,144,055.51/109,770.34
  6. Step 6: Final answer
    x = 85,589.10

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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.