Home / 209,695.20-314,539.20-51,923.76

Finding the Fourth Proportional to 209,695.20, 314,539.20 and 51,923.76

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Solution

The fourth proportional to 209,695.20, 314,539.20 and 51,923.76 is: 77,884.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,695.20 : 314,539.20 = 51,923.76 : x
  2. Step 2: Convert to fraction form
    209,695.20/314,539.20 = 51,923.76/x
  3. Step 3: Cross multiply
    209,695.20x = 314,539.20 × 51,923.76
  4. Step 4: Simplify right side
    209,695.20x = 16,332,057,931.39
  5. Step 5: Solve for x
    x = 16,332,057,931.39/209,695.20
  6. Step 6: Final answer
    x = 77,884.75

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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.