Home / 158,653.11-237,854.83-78,636.05

Finding the Fourth Proportional to 158,653.11, 237,854.83 and 78,636.05

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Solution

The fourth proportional to 158,653.11, 237,854.83 and 78,636.05 is: 117,892.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,653.11 : 237,854.83 = 78,636.05 : x
  2. Step 2: Convert to fraction form
    158,653.11/237,854.83 = 78,636.05/x
  3. Step 3: Cross multiply
    158,653.11x = 237,854.83 × 78,636.05
  4. Step 4: Simplify right side
    158,653.11x = 18,703,964,304.62
  5. Step 5: Solve for x
    x = 18,703,964,304.62/158,653.11
  6. Step 6: Final answer
    x = 117,892.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.