Home / 239,611.40-359,352.30-71,131.40

Finding the Fourth Proportional to 239,611.40, 359,352.30 and 71,131.40

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Solution

The fourth proportional to 239,611.40, 359,352.30 and 71,131.40 is: 106,677.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,611.40 : 359,352.30 = 71,131.40 : x
  2. Step 2: Convert to fraction form
    239,611.40/359,352.30 = 71,131.40/x
  3. Step 3: Cross multiply
    239,611.40x = 359,352.30 × 71,131.40
  4. Step 4: Simplify right side
    239,611.40x = 25,561,232,192.22
  5. Step 5: Solve for x
    x = 25,561,232,192.22/239,611.40
  6. Step 6: Final answer
    x = 106,677.86

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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.