Home / 157,938.30-236,919.87-52,757.64

Finding the Fourth Proportional to 157,938.30, 236,919.87 and 52,757.64

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Solution

The fourth proportional to 157,938.30, 236,919.87 and 52,757.64 is: 79,140.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,938.30 : 236,919.87 = 52,757.64 : x
  2. Step 2: Convert to fraction form
    157,938.30/236,919.87 = 52,757.64/x
  3. Step 3: Cross multiply
    157,938.30x = 236,919.87 × 52,757.64
  4. Step 4: Simplify right side
    157,938.30x = 12,499,333,210.31
  5. Step 5: Solve for x
    x = 12,499,333,210.31/157,938.30
  6. Step 6: Final answer
    x = 79,140.61

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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.