Home / 157,394.50-236,005.18-107,530.90

Finding the Fourth Proportional to 157,394.50, 236,005.18 and 107,530.90

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Solution

The fourth proportional to 157,394.50, 236,005.18 and 107,530.90 is: 161,237.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,394.50 : 236,005.18 = 107,530.90 : x
  2. Step 2: Convert to fraction form
    157,394.50/236,005.18 = 107,530.90/x
  3. Step 3: Cross multiply
    157,394.50x = 236,005.18 × 107,530.90
  4. Step 4: Simplify right side
    157,394.50x = 25,377,848,551.22
  5. Step 5: Solve for x
    x = 25,377,848,551.22/157,394.50
  6. Step 6: Final answer
    x = 161,237.20

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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.