Home / 234,577.42-351,812.16-139,834.35

Finding the Fourth Proportional to 234,577.42, 351,812.16 and 139,834.35

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Solution

The fourth proportional to 234,577.42, 351,812.16 and 139,834.35 is: 209,719.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,577.42 : 351,812.16 = 139,834.35 : x
  2. Step 2: Convert to fraction form
    234,577.42/351,812.16 = 139,834.35/x
  3. Step 3: Cross multiply
    234,577.42x = 351,812.16 × 139,834.35
  4. Step 4: Simplify right side
    234,577.42x = 49,195,424,715.70
  5. Step 5: Solve for x
    x = 49,195,424,715.70/234,577.42
  6. Step 6: Final answer
    x = 209,719.36

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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.