Home / 157,181.85-235,640.54-68,368.47

Finding the Fourth Proportional to 157,181.85, 235,640.54 and 68,368.47

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Solution

The fourth proportional to 157,181.85, 235,640.54 and 68,368.47 is: 102,495.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,181.85 : 235,640.54 = 68,368.47 : x
  2. Step 2: Convert to fraction form
    157,181.85/235,640.54 = 68,368.47/x
  3. Step 3: Cross multiply
    157,181.85x = 235,640.54 × 68,368.47
  4. Step 4: Simplify right side
    157,181.85x = 16,110,383,189.77
  5. Step 5: Solve for x
    x = 16,110,383,189.77/157,181.85
  6. Step 6: Final answer
    x = 102,495.19

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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.