Home / 157,664.24-217,577.04-89,679.68

Finding the Fourth Proportional to 157,664.24, 217,577.04 and 89,679.68

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Solution

The fourth proportional to 157,664.24, 217,577.04 and 89,679.68 is: 123,758.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,664.24 : 217,577.04 = 89,679.68 : x
  2. Step 2: Convert to fraction form
    157,664.24/217,577.04 = 89,679.68/x
  3. Step 3: Cross multiply
    157,664.24x = 217,577.04 × 89,679.68
  4. Step 4: Simplify right side
    157,664.24x = 19,512,239,322.55
  5. Step 5: Solve for x
    x = 19,512,239,322.55/157,664.24
  6. Step 6: Final answer
    x = 123,758.18

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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.