Home / 157,558.55-236,140.73-78,694.79

Finding the Fourth Proportional to 157,558.55, 236,140.73 and 78,694.79

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Solution

The fourth proportional to 157,558.55, 236,140.73 and 78,694.79 is: 117,943.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,558.55 : 236,140.73 = 78,694.79 : x
  2. Step 2: Convert to fraction form
    157,558.55/236,140.73 = 78,694.79/x
  3. Step 3: Cross multiply
    157,558.55x = 236,140.73 × 78,694.79
  4. Step 4: Simplify right side
    157,558.55x = 18,583,044,764.32
  5. Step 5: Solve for x
    x = 18,583,044,764.32/157,558.55
  6. Step 6: Final answer
    x = 117,943.74

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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.