Home / 155,578.86-233,382.74-120,557.70

Finding the Fourth Proportional to 155,578.86, 233,382.74 and 120,557.70

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Solution

The fourth proportional to 155,578.86, 233,382.74 and 120,557.70 is: 180,847.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,578.86 : 233,382.74 = 120,557.70 : x
  2. Step 2: Convert to fraction form
    155,578.86/233,382.74 = 120,557.70/x
  3. Step 3: Cross multiply
    155,578.86x = 233,382.74 × 120,557.70
  4. Step 4: Simplify right side
    155,578.86x = 28,136,085,751.31
  5. Step 5: Solve for x
    x = 28,136,085,751.31/155,578.86
  6. Step 6: Final answer
    x = 180,847.74

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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.