Home / 155,422.41-233,059.37-71,157.21

Finding the Fourth Proportional to 155,422.41, 233,059.37 and 71,157.21

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Solution

The fourth proportional to 155,422.41, 233,059.37 and 71,157.21 is: 106,701.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,422.41 : 233,059.37 = 71,157.21 : x
  2. Step 2: Convert to fraction form
    155,422.41/233,059.37 = 71,157.21/x
  3. Step 3: Cross multiply
    155,422.41x = 233,059.37 × 71,157.21
  4. Step 4: Simplify right side
    155,422.41x = 16,583,854,177.77
  5. Step 5: Solve for x
    x = 16,583,854,177.77/155,422.41
  6. Step 6: Final answer
    x = 106,701.82

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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.