Home / 115,281.60-172,907.82-36,403.80

Finding the Fourth Proportional to 115,281.60, 172,907.82 and 36,403.80

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Solution

The fourth proportional to 115,281.60, 172,907.82 and 36,403.80 is: 54,601.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,281.60 : 172,907.82 = 36,403.80 : x
  2. Step 2: Convert to fraction form
    115,281.60/172,907.82 = 36,403.80/x
  3. Step 3: Cross multiply
    115,281.60x = 172,907.82 × 36,403.80
  4. Step 4: Simplify right side
    115,281.60x = 6,294,501,697.72
  5. Step 5: Solve for x
    x = 6,294,501,697.72/115,281.60
  6. Step 6: Final answer
    x = 54,601.10

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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.