Home / 98,011.36-147,065.62-38,845.72

Finding the Fourth Proportional to 98,011.36, 147,065.62 and 38,845.72

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Solution

The fourth proportional to 98,011.36, 147,065.62 and 38,845.72 is: 58,287.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,011.36 : 147,065.62 = 38,845.72 : x
  2. Step 2: Convert to fraction form
    98,011.36/147,065.62 = 38,845.72/x
  3. Step 3: Cross multiply
    98,011.36x = 147,065.62 × 38,845.72
  4. Step 4: Simplify right side
    98,011.36x = 5,712,869,896.15
  5. Step 5: Solve for x
    x = 5,712,869,896.15/98,011.36
  6. Step 6: Final answer
    x = 58,287.83

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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.