Home / 102,852.17-154,339.57-45,921.66

Finding the Fourth Proportional to 102,852.17, 154,339.57 and 45,921.66

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Solution

The fourth proportional to 102,852.17, 154,339.57 and 45,921.66 is: 68,909.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,852.17 : 154,339.57 = 45,921.66 : x
  2. Step 2: Convert to fraction form
    102,852.17/154,339.57 = 45,921.66/x
  3. Step 3: Cross multiply
    102,852.17x = 154,339.57 × 45,921.66
  4. Step 4: Simplify right side
    102,852.17x = 7,087,529,258.09
  5. Step 5: Solve for x
    x = 7,087,529,258.09/102,852.17
  6. Step 6: Final answer
    x = 68,909.87

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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.