Home / 157,244.21-216,940.02-89,221.79

Finding the Fourth Proportional to 157,244.21, 216,940.02 and 89,221.79

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Solution

The fourth proportional to 157,244.21, 216,940.02 and 89,221.79 is: 123,093.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,244.21 : 216,940.02 = 89,221.79 : x
  2. Step 2: Convert to fraction form
    157,244.21/216,940.02 = 89,221.79/x
  3. Step 3: Cross multiply
    157,244.21x = 216,940.02 × 89,221.79
  4. Step 4: Simplify right side
    157,244.21x = 19,355,775,822.34
  5. Step 5: Solve for x
    x = 19,355,775,822.34/157,244.21
  6. Step 6: Final answer
    x = 123,093.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.