Home / 155,338.74-233,005.75-69,889.25

Finding the Fourth Proportional to 155,338.74, 233,005.75 and 69,889.25

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Solution

The fourth proportional to 155,338.74, 233,005.75 and 69,889.25 is: 104,832.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,338.74 : 233,005.75 = 69,889.25 : x
  2. Step 2: Convert to fraction form
    155,338.74/233,005.75 = 69,889.25/x
  3. Step 3: Cross multiply
    155,338.74x = 233,005.75 × 69,889.25
  4. Step 4: Simplify right side
    155,338.74x = 16,284,595,773.44
  5. Step 5: Solve for x
    x = 16,284,595,773.44/155,338.74
  6. Step 6: Final answer
    x = 104,832.80

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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.