Home / 157,751.21-236,374.10-82,868.33

Finding the Fourth Proportional to 157,751.21, 236,374.10 and 82,868.33

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Solution

The fourth proportional to 157,751.21, 236,374.10 and 82,868.33 is: 124,169.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,751.21 : 236,374.10 = 82,868.33 : x
  2. Step 2: Convert to fraction form
    157,751.21/236,374.10 = 82,868.33/x
  3. Step 3: Cross multiply
    157,751.21x = 236,374.10 × 82,868.33
  4. Step 4: Simplify right side
    157,751.21x = 19,587,927,409.60
  5. Step 5: Solve for x
    x = 19,587,927,409.60/157,751.21
  6. Step 6: Final answer
    x = 124,169.74

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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.