Home / 155,424.30-233,136.45-142,982.70

Finding the Fourth Proportional to 155,424.30, 233,136.45 and 142,982.70

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Solution

The fourth proportional to 155,424.30, 233,136.45 and 142,982.70 is: 214,474.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,424.30 : 233,136.45 = 142,982.70 : x
  2. Step 2: Convert to fraction form
    155,424.30/233,136.45 = 142,982.70/x
  3. Step 3: Cross multiply
    155,424.30x = 233,136.45 × 142,982.70
  4. Step 4: Simplify right side
    155,424.30x = 33,334,479,089.42
  5. Step 5: Solve for x
    x = 33,334,479,089.42/155,424.30
  6. Step 6: Final answer
    x = 214,474.05

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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.