Home / 157,388.34-236,013.05-45,042.98

Finding the Fourth Proportional to 157,388.34, 236,013.05 and 45,042.98

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Solution

The fourth proportional to 157,388.34, 236,013.05 and 45,042.98 is: 67,544.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,388.34 : 236,013.05 = 45,042.98 : x
  2. Step 2: Convert to fraction form
    157,388.34/236,013.05 = 45,042.98/x
  3. Step 3: Cross multiply
    157,388.34x = 236,013.05 × 45,042.98
  4. Step 4: Simplify right side
    157,388.34x = 10,630,729,685.61
  5. Step 5: Solve for x
    x = 10,630,729,685.61/157,388.34
  6. Step 6: Final answer
    x = 67,544.58

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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.