Home / 98,919.09-148,318.83-38,875.71

Finding the Fourth Proportional to 98,919.09, 148,318.83 and 38,875.71

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Solution

The fourth proportional to 98,919.09, 148,318.83 and 38,875.71 is: 58,290.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,919.09 : 148,318.83 = 38,875.71 : x
  2. Step 2: Convert to fraction form
    98,919.09/148,318.83 = 38,875.71/x
  3. Step 3: Cross multiply
    98,919.09x = 148,318.83 × 38,875.71
  4. Step 4: Simplify right side
    98,919.09x = 5,765,999,822.62
  5. Step 5: Solve for x
    x = 5,765,999,822.62/98,919.09
  6. Step 6: Final answer
    x = 58,290.06

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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.