Home / 166,511.72-249,650.76-61,317.20

Finding the Fourth Proportional to 166,511.72, 249,650.76 and 61,317.20

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Solution

The fourth proportional to 166,511.72, 249,650.76 and 61,317.20 is: 91,932.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,511.72 : 249,650.76 = 61,317.20 : x
  2. Step 2: Convert to fraction form
    166,511.72/249,650.76 = 61,317.20/x
  3. Step 3: Cross multiply
    166,511.72x = 249,650.76 × 61,317.20
  4. Step 4: Simplify right side
    166,511.72x = 15,307,885,581.07
  5. Step 5: Solve for x
    x = 15,307,885,581.07/166,511.72
  6. Step 6: Final answer
    x = 91,932.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.