Home / 102,985.87-154,537.20-55,600.33

Finding the Fourth Proportional to 102,985.87, 154,537.20 and 55,600.33

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Solution

The fourth proportional to 102,985.87, 154,537.20 and 55,600.33 is: 83,432.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,985.87 : 154,537.20 = 55,600.33 : x
  2. Step 2: Convert to fraction form
    102,985.87/154,537.20 = 55,600.33/x
  3. Step 3: Cross multiply
    102,985.87x = 154,537.20 × 55,600.33
  4. Step 4: Simplify right side
    102,985.87x = 8,592,319,317.28
  5. Step 5: Solve for x
    x = 8,592,319,317.28/102,985.87
  6. Step 6: Final answer
    x = 83,432.02

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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.