Home / 102,153.24-152,902.15-54,649.51

Finding the Fourth Proportional to 102,153.24, 152,902.15 and 54,649.51

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Solution

The fourth proportional to 102,153.24, 152,902.15 and 54,649.51 is: 81,798.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,153.24 : 152,902.15 = 54,649.51 : x
  2. Step 2: Convert to fraction form
    102,153.24/152,902.15 = 54,649.51/x
  3. Step 3: Cross multiply
    102,153.24x = 152,902.15 × 54,649.51
  4. Step 4: Simplify right side
    102,153.24x = 8,356,027,056.57
  5. Step 5: Solve for x
    x = 8,356,027,056.57/102,153.24
  6. Step 6: Final answer
    x = 81,798.94

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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.