Home / 102,655.91-154,257.24-55,307.36

Finding the Fourth Proportional to 102,655.91, 154,257.24 and 55,307.36

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Solution

The fourth proportional to 102,655.91, 154,257.24 and 55,307.36 is: 83,108.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,655.91 : 154,257.24 = 55,307.36 : x
  2. Step 2: Convert to fraction form
    102,655.91/154,257.24 = 55,307.36/x
  3. Step 3: Cross multiply
    102,655.91x = 154,257.24 × 55,307.36
  4. Step 4: Simplify right side
    102,655.91x = 8,531,560,512.46
  5. Step 5: Solve for x
    x = 8,531,560,512.46/102,655.91
  6. Step 6: Final answer
    x = 83,108.32

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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.