Home / 157,823.37-236,790.41-81,885.42

Finding the Fourth Proportional to 157,823.37, 236,790.41 and 81,885.42

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Solution

The fourth proportional to 157,823.37, 236,790.41 and 81,885.42 is: 122,856.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,823.37 : 236,790.41 = 81,885.42 : x
  2. Step 2: Convert to fraction form
    157,823.37/236,790.41 = 81,885.42/x
  3. Step 3: Cross multiply
    157,823.37x = 236,790.41 × 81,885.42
  4. Step 4: Simplify right side
    157,823.37x = 19,389,681,765.40
  5. Step 5: Solve for x
    x = 19,389,681,765.40/157,823.37
  6. Step 6: Final answer
    x = 122,856.85

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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.