Home / 157,466.58-236,128.77-45,121.07

Finding the Fourth Proportional to 157,466.58, 236,128.77 and 45,121.07

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Solution

The fourth proportional to 157,466.58, 236,128.77 and 45,121.07 is: 67,661.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,466.58 : 236,128.77 = 45,121.07 : x
  2. Step 2: Convert to fraction form
    157,466.58/236,128.77 = 45,121.07/x
  3. Step 3: Cross multiply
    157,466.58x = 236,128.77 × 45,121.07
  4. Step 4: Simplify right side
    157,466.58x = 10,654,381,579.54
  5. Step 5: Solve for x
    x = 10,654,381,579.54/157,466.58
  6. Step 6: Final answer
    x = 67,661.22

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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.