Home / 99,277.57-137,003.05-53,955.66

Finding the Fourth Proportional to 99,277.57, 137,003.05 and 53,955.66

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Solution

The fourth proportional to 99,277.57, 137,003.05 and 53,955.66 is: 74,458.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,277.57 : 137,003.05 = 53,955.66 : x
  2. Step 2: Convert to fraction form
    99,277.57/137,003.05 = 53,955.66/x
  3. Step 3: Cross multiply
    99,277.57x = 137,003.05 × 53,955.66
  4. Step 4: Simplify right side
    99,277.57x = 7,392,090,473.53
  5. Step 5: Solve for x
    x = 7,392,090,473.53/99,277.57
  6. Step 6: Final answer
    x = 74,458.82

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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.