Home / 87,317.69-130,977.44-69,898.25

Finding the Fourth Proportional to 87,317.69, 130,977.44 and 69,898.25

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Solution

The fourth proportional to 87,317.69, 130,977.44 and 69,898.25 is: 104,848.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,317.69 : 130,977.44 = 69,898.25 : x
  2. Step 2: Convert to fraction form
    87,317.69/130,977.44 = 69,898.25/x
  3. Step 3: Cross multiply
    87,317.69x = 130,977.44 × 69,898.25
  4. Step 4: Simplify right side
    87,317.69x = 9,155,093,365.34
  5. Step 5: Solve for x
    x = 9,155,093,365.34/87,317.69
  6. Step 6: Final answer
    x = 104,848.10

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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.