Home / 157,590.78-236,425.05-52,410.66

Finding the Fourth Proportional to 157,590.78, 236,425.05 and 52,410.66

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Solution

The fourth proportional to 157,590.78, 236,425.05 and 52,410.66 is: 78,628.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,590.78 : 236,425.05 = 52,410.66 : x
  2. Step 2: Convert to fraction form
    157,590.78/236,425.05 = 52,410.66/x
  3. Step 3: Cross multiply
    157,590.78x = 236,425.05 × 52,410.66
  4. Step 4: Simplify right side
    157,590.78x = 12,391,192,911.03
  5. Step 5: Solve for x
    x = 12,391,192,911.03/157,590.78
  6. Step 6: Final answer
    x = 78,628.92

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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.