Home / 155,840.25-233,818.71-80,913.63

Finding the Fourth Proportional to 155,840.25, 233,818.71 and 80,913.63

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Solution

The fourth proportional to 155,840.25, 233,818.71 and 80,913.63 is: 121,400.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,840.25 : 233,818.71 = 80,913.63 : x
  2. Step 2: Convert to fraction form
    155,840.25/233,818.71 = 80,913.63/x
  3. Step 3: Cross multiply
    155,840.25x = 233,818.71 × 80,913.63
  4. Step 4: Simplify right side
    155,840.25x = 18,919,120,588.02
  5. Step 5: Solve for x
    x = 18,919,120,588.02/155,840.25
  6. Step 6: Final answer
    x = 121,400.73

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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.