Home / 119,231.80-178,681.36-89,614.96

Finding the Fourth Proportional to 119,231.80, 178,681.36 and 89,614.96

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Solution

The fourth proportional to 119,231.80, 178,681.36 and 89,614.96 is: 134,297.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,231.80 : 178,681.36 = 89,614.96 : x
  2. Step 2: Convert to fraction form
    119,231.80/178,681.36 = 89,614.96/x
  3. Step 3: Cross multiply
    119,231.80x = 178,681.36 × 89,614.96
  4. Step 4: Simplify right side
    119,231.80x = 16,012,522,929.15
  5. Step 5: Solve for x
    x = 16,012,522,929.15/119,231.80
  6. Step 6: Final answer
    x = 134,297.42

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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.