Home / 496,943.10-745,421.13-141,968.70

Finding the Fourth Proportional to 496,943.10, 745,421.13 and 141,968.70

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Solution

The fourth proportional to 496,943.10, 745,421.13 and 141,968.70 is: 212,954.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,943.10 : 745,421.13 = 141,968.70 : x
  2. Step 2: Convert to fraction form
    496,943.10/745,421.13 = 141,968.70/x
  3. Step 3: Cross multiply
    496,943.10x = 745,421.13 × 141,968.70
  4. Step 4: Simplify right side
    496,943.10x = 105,826,468,778.63
  5. Step 5: Solve for x
    x = 105,826,468,778.63/496,943.10
  6. Step 6: Final answer
    x = 212,954.90

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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.