Home / 157,844.24-217,824.32-89,864

Finding the Fourth Proportional to 157,844.24, 217,824.32 and 89,864

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Solution

The fourth proportional to 157,844.24, 217,824.32 and 89,864 is: 124,011.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,844.24 : 217,824.32 = 89,864 : x
  2. Step 2: Convert to fraction form
    157,844.24/217,824.32 = 89,864/x
  3. Step 3: Cross multiply
    157,844.24x = 217,824.32 × 89,864
  4. Step 4: Simplify right side
    157,844.24x = 19,574,564,692.48
  5. Step 5: Solve for x
    x = 19,574,564,692.48/157,844.24
  6. Step 6: Final answer
    x = 124,011.90

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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.