Home / 165,518.76-248,278.68-40,859.76

Finding the Fourth Proportional to 165,518.76, 248,278.68 and 40,859.76

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Solution

The fourth proportional to 165,518.76, 248,278.68 and 40,859.76 is: 61,289.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,518.76 : 248,278.68 = 40,859.76 : x
  2. Step 2: Convert to fraction form
    165,518.76/248,278.68 = 40,859.76/x
  3. Step 3: Cross multiply
    165,518.76x = 248,278.68 × 40,859.76
  4. Step 4: Simplify right side
    165,518.76x = 10,144,607,277.92
  5. Step 5: Solve for x
    x = 10,144,607,277.92/165,518.76
  6. Step 6: Final answer
    x = 61,289.77

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1.5x scale

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.