Home / 157,182.11-235,640.91-68,368.72

Finding the Fourth Proportional to 157,182.11, 235,640.91 and 68,368.72

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Solution

The fourth proportional to 157,182.11, 235,640.91 and 68,368.72 is: 102,495.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,182.11 : 235,640.91 = 68,368.72 : x
  2. Step 2: Convert to fraction form
    157,182.11/235,640.91 = 68,368.72/x
  3. Step 3: Cross multiply
    157,182.11x = 235,640.91 × 68,368.72
  4. Step 4: Simplify right side
    157,182.11x = 16,110,467,396.34
  5. Step 5: Solve for x
    x = 16,110,467,396.34/157,182.11
  6. Step 6: Final answer
    x = 102,495.55

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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.