Home / 155,917.44-233,772.48-85,829.76

Finding the Fourth Proportional to 155,917.44, 233,772.48 and 85,829.76

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Solution

The fourth proportional to 155,917.44, 233,772.48 and 85,829.76 is: 128,687.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,917.44 : 233,772.48 = 85,829.76 : x
  2. Step 2: Convert to fraction form
    155,917.44/233,772.48 = 85,829.76/x
  3. Step 3: Cross multiply
    155,917.44x = 233,772.48 × 85,829.76
  4. Step 4: Simplify right side
    155,917.44x = 20,064,635,853.00
  5. Step 5: Solve for x
    x = 20,064,635,853.00/155,917.44
  6. Step 6: Final answer
    x = 128,687.57

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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.