Home / 91,417.73-126,149.96-53,183.30

Finding the Fourth Proportional to 91,417.73, 126,149.96 and 53,183.30

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Solution

The fourth proportional to 91,417.73, 126,149.96 and 53,183.30 is: 73,389.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,417.73 : 126,149.96 = 53,183.30 : x
  2. Step 2: Convert to fraction form
    91,417.73/126,149.96 = 53,183.30/x
  3. Step 3: Cross multiply
    91,417.73x = 126,149.96 × 53,183.30
  4. Step 4: Simplify right side
    91,417.73x = 6,709,070,901.75
  5. Step 5: Solve for x
    x = 6,709,070,901.75/91,417.73
  6. Step 6: Final answer
    x = 73,389.17

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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.