Home / 166,269.70-249,487.98-77,530.15

Finding the Fourth Proportional to 166,269.70, 249,487.98 and 77,530.15

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Solution

The fourth proportional to 166,269.70, 249,487.98 and 77,530.15 is: 116,334.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,269.70 : 249,487.98 = 77,530.15 : x
  2. Step 2: Convert to fraction form
    166,269.70/249,487.98 = 77,530.15/x
  3. Step 3: Cross multiply
    166,269.70x = 249,487.98 × 77,530.15
  4. Step 4: Simplify right side
    166,269.70x = 19,342,840,512.60
  5. Step 5: Solve for x
    x = 19,342,840,512.60/166,269.70
  6. Step 6: Final answer
    x = 116,334.13

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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.