Home / 180,739.46-249,428.87-100,167

Finding the Fourth Proportional to 180,739.46, 249,428.87 and 100,167

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Solution

The fourth proportional to 180,739.46, 249,428.87 and 100,167 is: 138,235.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,739.46 : 249,428.87 = 100,167 : x
  2. Step 2: Convert to fraction form
    180,739.46/249,428.87 = 100,167/x
  3. Step 3: Cross multiply
    180,739.46x = 249,428.87 × 100,167
  4. Step 4: Simplify right side
    180,739.46x = 24,984,541,871.71
  5. Step 5: Solve for x
    x = 24,984,541,871.71/180,739.46
  6. Step 6: Final answer
    x = 138,235.12

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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.