Home / 234,136.30-351,168.80-76,364.50

Finding the Fourth Proportional to 234,136.30, 351,168.80 and 76,364.50

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Solution

The fourth proportional to 234,136.30, 351,168.80 and 76,364.50 is: 114,535.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,136.30 : 351,168.80 = 76,364.50 : x
  2. Step 2: Convert to fraction form
    234,136.30/351,168.80 = 76,364.50/x
  3. Step 3: Cross multiply
    234,136.30x = 351,168.80 × 76,364.50
  4. Step 4: Simplify right side
    234,136.30x = 26,816,829,827.60
  5. Step 5: Solve for x
    x = 26,816,829,827.60/234,136.30
  6. Step 6: Final answer
    x = 114,535.12

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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.