Home / 166,340.70-249,511.05-61,137.90

Finding the Fourth Proportional to 166,340.70, 249,511.05 and 61,137.90

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Solution

The fourth proportional to 166,340.70, 249,511.05 and 61,137.90 is: 91,706.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,340.70 : 249,511.05 = 61,137.90 : x
  2. Step 2: Convert to fraction form
    166,340.70/249,511.05 = 61,137.90/x
  3. Step 3: Cross multiply
    166,340.70x = 249,511.05 × 61,137.90
  4. Step 4: Simplify right side
    166,340.70x = 15,254,581,623.80
  5. Step 5: Solve for x
    x = 15,254,581,623.80/166,340.70
  6. Step 6: Final answer
    x = 91,706.85

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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.