Home / 157,973.22-217,949.84-89,942.08

Finding the Fourth Proportional to 157,973.22, 217,949.84 and 89,942.08

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Solution

The fourth proportional to 157,973.22, 217,949.84 and 89,942.08 is: 124,089.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,973.22 : 217,949.84 = 89,942.08 : x
  2. Step 2: Convert to fraction form
    157,973.22/217,949.84 = 89,942.08/x
  3. Step 3: Cross multiply
    157,973.22x = 217,949.84 × 89,942.08
  4. Step 4: Simplify right side
    157,973.22x = 19,602,862,611.20
  5. Step 5: Solve for x
    x = 19,602,862,611.20/157,973.22
  6. Step 6: Final answer
    x = 124,089.78

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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.