Home / 101,981.54-152,919.79-45,773.47

Finding the Fourth Proportional to 101,981.54, 152,919.79 and 45,773.47

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Solution

The fourth proportional to 101,981.54, 152,919.79 and 45,773.47 is: 68,636.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,981.54 : 152,919.79 = 45,773.47 : x
  2. Step 2: Convert to fraction form
    101,981.54/152,919.79 = 45,773.47/x
  3. Step 3: Cross multiply
    101,981.54x = 152,919.79 × 45,773.47
  4. Step 4: Simplify right side
    101,981.54x = 6,999,668,655.37
  5. Step 5: Solve for x
    x = 6,999,668,655.37/101,981.54
  6. Step 6: Final answer
    x = 68,636.62

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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.