Home / 155,923.20-233,539.20-120,748.80

Finding the Fourth Proportional to 155,923.20, 233,539.20 and 120,748.80

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Solution

The fourth proportional to 155,923.20, 233,539.20 and 120,748.80 is: 180,855.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,923.20 : 233,539.20 = 120,748.80 : x
  2. Step 2: Convert to fraction form
    155,923.20/233,539.20 = 120,748.80/x
  3. Step 3: Cross multiply
    155,923.20x = 233,539.20 × 120,748.80
  4. Step 4: Simplify right side
    155,923.20x = 28,199,578,152.96
  5. Step 5: Solve for x
    x = 28,199,578,152.96/155,923.20
  6. Step 6: Final answer
    x = 180,855.56

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1.5x scale

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.