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Finding the Fourth Proportional to 180,677.72, 249,376.68 and 120,250.92

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Solution

The fourth proportional to 180,677.72, 249,376.68 and 120,250.92 is: 165,973.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,677.72 : 249,376.68 = 120,250.92 : x
  2. Step 2: Convert to fraction form
    180,677.72/249,376.68 = 120,250.92/x
  3. Step 3: Cross multiply
    180,677.72x = 249,376.68 × 120,250.92
  4. Step 4: Simplify right side
    180,677.72x = 29,987,775,196.55
  5. Step 5: Solve for x
    x = 29,987,775,196.55/180,677.72
  6. Step 6: Final answer
    x = 165,973.84

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.