Home / 247,532.96-371,455.68-105,378.14

Finding the Fourth Proportional to 247,532.96, 371,455.68 and 105,378.14

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Solution

The fourth proportional to 247,532.96, 371,455.68 and 105,378.14 is: 158,133.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,532.96 : 371,455.68 = 105,378.14 : x
  2. Step 2: Convert to fraction form
    247,532.96/371,455.68 = 105,378.14/x
  3. Step 3: Cross multiply
    247,532.96x = 371,455.68 × 105,378.14
  4. Step 4: Simplify right side
    247,532.96x = 39,143,308,650.84
  5. Step 5: Solve for x
    x = 39,143,308,650.84/247,532.96
  6. Step 6: Final answer
    x = 158,133.72

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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.