Home / 180,631.12-249,272.94-100,059.88

Finding the Fourth Proportional to 180,631.12, 249,272.94 and 100,059.88

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Solution

The fourth proportional to 180,631.12, 249,272.94 and 100,059.88 is: 138,083.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,631.12 : 249,272.94 = 100,059.88 : x
  2. Step 2: Convert to fraction form
    180,631.12/249,272.94 = 100,059.88/x
  3. Step 3: Cross multiply
    180,631.12x = 249,272.94 × 100,059.88
  4. Step 4: Simplify right side
    180,631.12x = 24,942,220,463.65
  5. Step 5: Solve for x
    x = 24,942,220,463.65/180,631.12
  6. Step 6: Final answer
    x = 138,083.74

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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.