Home / 166,436.08-249,648.64-66,569.45

Finding the Fourth Proportional to 166,436.08, 249,648.64 and 66,569.45

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Solution

The fourth proportional to 166,436.08, 249,648.64 and 66,569.45 is: 99,851.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,436.08 : 249,648.64 = 66,569.45 : x
  2. Step 2: Convert to fraction form
    166,436.08/249,648.64 = 66,569.45/x
  3. Step 3: Cross multiply
    166,436.08x = 249,648.64 × 66,569.45
  4. Step 4: Simplify right side
    166,436.08x = 16,618,972,658.05
  5. Step 5: Solve for x
    x = 16,618,972,658.05/166,436.08
  6. Step 6: Final answer
    x = 99,851.98

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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.