Home / 180,976.23-249,747.10-99,305.02

Finding the Fourth Proportional to 180,976.23, 249,747.10 and 99,305.02

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Solution

The fourth proportional to 180,976.23, 249,747.10 and 99,305.02 is: 137,040.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,976.23 : 249,747.10 = 99,305.02 : x
  2. Step 2: Convert to fraction form
    180,976.23/249,747.10 = 99,305.02/x
  3. Step 3: Cross multiply
    180,976.23x = 249,747.10 × 99,305.02
  4. Step 4: Simplify right side
    180,976.23x = 24,801,139,263.44
  5. Step 5: Solve for x
    x = 24,801,139,263.44/180,976.23
  6. Step 6: Final answer
    x = 137,040.87

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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.