Home / 157,239.29-235,801.83-68,471.39

Finding the Fourth Proportional to 157,239.29, 235,801.83 and 68,471.39

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Solution

The fourth proportional to 157,239.29, 235,801.83 and 68,471.39 is: 102,682.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,239.29 : 235,801.83 = 68,471.39 : x
  2. Step 2: Convert to fraction form
    157,239.29/235,801.83 = 68,471.39/x
  3. Step 3: Cross multiply
    157,239.29x = 235,801.83 × 68,471.39
  4. Step 4: Simplify right side
    157,239.29x = 16,145,679,064.64
  5. Step 5: Solve for x
    x = 16,145,679,064.64/157,239.29
  6. Step 6: Final answer
    x = 102,682.22

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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.