Home / 236,611.24-354,973.36-78,841.06

Finding the Fourth Proportional to 236,611.24, 354,973.36 and 78,841.06

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Solution

The fourth proportional to 236,611.24, 354,973.36 and 78,841.06 is: 118,280.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,611.24 : 354,973.36 = 78,841.06 : x
  2. Step 2: Convert to fraction form
    236,611.24/354,973.36 = 78,841.06/x
  3. Step 3: Cross multiply
    236,611.24x = 354,973.36 × 78,841.06
  4. Step 4: Simplify right side
    236,611.24x = 27,986,475,974.16
  5. Step 5: Solve for x
    x = 27,986,475,974.16/236,611.24
  6. Step 6: Final answer
    x = 118,280.42

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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.