Home / 99,076.77-148,642.70-39,898.58

Finding the Fourth Proportional to 99,076.77, 148,642.70 and 39,898.58

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Solution

The fourth proportional to 99,076.77, 148,642.70 and 39,898.58 is: 59,858.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,076.77 : 148,642.70 = 39,898.58 : x
  2. Step 2: Convert to fraction form
    99,076.77/148,642.70 = 39,898.58/x
  3. Step 3: Cross multiply
    99,076.77x = 148,642.70 × 39,898.58
  4. Step 4: Simplify right side
    99,076.77x = 5,930,631,714.66
  5. Step 5: Solve for x
    x = 5,930,631,714.66/99,076.77
  6. Step 6: Final answer
    x = 59,858.95

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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.