Home / 99,618.81-137,474.07-54,296.83

Finding the Fourth Proportional to 99,618.81, 137,474.07 and 54,296.83

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Solution

The fourth proportional to 99,618.81, 137,474.07 and 54,296.83 is: 74,929.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,618.81 : 137,474.07 = 54,296.83 : x
  2. Step 2: Convert to fraction form
    99,618.81/137,474.07 = 54,296.83/x
  3. Step 3: Cross multiply
    99,618.81x = 137,474.07 × 54,296.83
  4. Step 4: Simplify right side
    99,618.81x = 7,464,406,176.43
  5. Step 5: Solve for x
    x = 7,464,406,176.43/99,618.81
  6. Step 6: Final answer
    x = 74,929.69

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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.