Home / 99,606.21-137,451.66-54,284.07

Finding the Fourth Proportional to 99,606.21, 137,451.66 and 54,284.07

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Solution

The fourth proportional to 99,606.21, 137,451.66 and 54,284.07 is: 74,909.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,606.21 : 137,451.66 = 54,284.07 : x
  2. Step 2: Convert to fraction form
    99,606.21/137,451.66 = 54,284.07/x
  3. Step 3: Cross multiply
    99,606.21x = 137,451.66 × 54,284.07
  4. Step 4: Simplify right side
    99,606.21x = 7,461,435,533.06
  5. Step 5: Solve for x
    x = 7,461,435,533.06/99,606.21
  6. Step 6: Final answer
    x = 74,909.34

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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.