Home / 99,605.76-137,453.58-54,285.18

Finding the Fourth Proportional to 99,605.76, 137,453.58 and 54,285.18

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Solution

The fourth proportional to 99,605.76, 137,453.58 and 54,285.18 is: 74,912.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,605.76 : 137,453.58 = 54,285.18 : x
  2. Step 2: Convert to fraction form
    99,605.76/137,453.58 = 54,285.18/x
  3. Step 3: Cross multiply
    99,605.76x = 137,453.58 × 54,285.18
  4. Step 4: Simplify right side
    99,605.76x = 7,461,692,331.94
  5. Step 5: Solve for x
    x = 7,461,692,331.94/99,605.76
  6. Step 6: Final answer
    x = 74,912.26

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1.5x scale

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.