Home / 96,940.24-145,406.24-30,378.90

Finding the Fourth Proportional to 96,940.24, 145,406.24 and 30,378.90

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Solution

The fourth proportional to 96,940.24, 145,406.24 and 30,378.90 is: 45,567.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,940.24 : 145,406.24 = 30,378.90 : x
  2. Step 2: Convert to fraction form
    96,940.24/145,406.24 = 30,378.90/x
  3. Step 3: Cross multiply
    96,940.24x = 145,406.24 × 30,378.90
  4. Step 4: Simplify right side
    96,940.24x = 4,417,281,624.34
  5. Step 5: Solve for x
    x = 4,417,281,624.34/96,940.24
  6. Step 6: Final answer
    x = 45,567.06

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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.