Home / 296,766.10-445,145.17-72,125.89

Finding the Fourth Proportional to 296,766.10, 445,145.17 and 72,125.89

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Solution

The fourth proportional to 296,766.10, 445,145.17 and 72,125.89 is: 108,187.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,766.10 : 445,145.17 = 72,125.89 : x
  2. Step 2: Convert to fraction form
    296,766.10/445,145.17 = 72,125.89/x
  3. Step 3: Cross multiply
    296,766.10x = 445,145.17 × 72,125.89
  4. Step 4: Simplify right side
    296,766.10x = 32,106,492,911.45
  5. Step 5: Solve for x
    x = 32,106,492,911.45/296,766.10
  6. Step 6: Final answer
    x = 108,187.87

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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.