Home / 155,952.70-233,583.45-120,778.30

Finding the Fourth Proportional to 155,952.70, 233,583.45 and 120,778.30

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Solution

The fourth proportional to 155,952.70, 233,583.45 and 120,778.30 is: 180,899.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,952.70 : 233,583.45 = 120,778.30 : x
  2. Step 2: Convert to fraction form
    155,952.70/233,583.45 = 120,778.30/x
  3. Step 3: Cross multiply
    155,952.70x = 233,583.45 × 120,778.30
  4. Step 4: Simplify right side
    155,952.70x = 28,211,811,999.14
  5. Step 5: Solve for x
    x = 28,211,811,999.14/155,952.70
  6. Step 6: Final answer
    x = 180,899.80

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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.