Home / 96,475.20-144,762.20-45,931.41

Finding the Fourth Proportional to 96,475.20, 144,762.20 and 45,931.41

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Solution

The fourth proportional to 96,475.20, 144,762.20 and 45,931.41 is: 68,920.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,475.20 : 144,762.20 = 45,931.41 : x
  2. Step 2: Convert to fraction form
    96,475.20/144,762.20 = 45,931.41/x
  3. Step 3: Cross multiply
    96,475.20x = 144,762.20 × 45,931.41
  4. Step 4: Simplify right side
    96,475.20x = 6,649,131,731.04
  5. Step 5: Solve for x
    x = 6,649,131,731.04/96,475.20
  6. Step 6: Final answer
    x = 68,920.63

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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.