Home / 243,834.15-336,483.32-136,401.87

Finding the Fourth Proportional to 243,834.15, 336,483.32 and 136,401.87

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Solution

The fourth proportional to 243,834.15, 336,483.32 and 136,401.87 is: 188,230.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,834.15 : 336,483.32 = 136,401.87 : x
  2. Step 2: Convert to fraction form
    243,834.15/336,483.32 = 136,401.87/x
  3. Step 3: Cross multiply
    243,834.15x = 336,483.32 × 136,401.87
  4. Step 4: Simplify right side
    243,834.15x = 45,896,954,651.61
  5. Step 5: Solve for x
    x = 45,896,954,651.61/243,834.15
  6. Step 6: Final answer
    x = 188,230.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.