Home / 155,545.52-233,128.73-80,624.36

Finding the Fourth Proportional to 155,545.52, 233,128.73 and 80,624.36

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Solution

The fourth proportional to 155,545.52, 233,128.73 and 80,624.36 is: 120,838.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,545.52 : 233,128.73 = 80,624.36 : x
  2. Step 2: Convert to fraction form
    155,545.52/233,128.73 = 80,624.36/x
  3. Step 3: Cross multiply
    155,545.52x = 233,128.73 × 80,624.36
  4. Step 4: Simplify right side
    155,545.52x = 18,795,855,438.25
  5. Step 5: Solve for x
    x = 18,795,855,438.25/155,545.52
  6. Step 6: Final answer
    x = 120,838.30

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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.