Home / 99,606.89-137,453.49-54,283.91

Finding the Fourth Proportional to 99,606.89, 137,453.49 and 54,283.91

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Solution

The fourth proportional to 99,606.89, 137,453.49 and 54,283.91 is: 74,909.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,606.89 : 137,453.49 = 54,283.91 : x
  2. Step 2: Convert to fraction form
    99,606.89/137,453.49 = 54,283.91/x
  3. Step 3: Cross multiply
    99,606.89x = 137,453.49 × 54,283.91
  4. Step 4: Simplify right side
    99,606.89x = 7,461,512,880.35
  5. Step 5: Solve for x
    x = 7,461,512,880.35/99,606.89
  6. Step 6: Final answer
    x = 74,909.61

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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.