Home / 99,427.01-137,206.51-54,103.94

Finding the Fourth Proportional to 99,427.01, 137,206.51 and 54,103.94

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Solution

The fourth proportional to 99,427.01, 137,206.51 and 54,103.94 is: 74,661.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,427.01 : 137,206.51 = 54,103.94 : x
  2. Step 2: Convert to fraction form
    99,427.01/137,206.51 = 54,103.94/x
  3. Step 3: Cross multiply
    99,427.01x = 137,206.51 × 54,103.94
  4. Step 4: Simplify right side
    99,427.01x = 7,423,412,784.65
  5. Step 5: Solve for x
    x = 7,423,412,784.65/99,427.01
  6. Step 6: Final answer
    x = 74,661.93

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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.