Home / 166,442.10-249,663.15-66,617.70

Finding the Fourth Proportional to 166,442.10, 249,663.15 and 66,617.70

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Solution

The fourth proportional to 166,442.10, 249,663.15 and 66,617.70 is: 99,926.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,442.10 : 249,663.15 = 66,617.70 : x
  2. Step 2: Convert to fraction form
    166,442.10/249,663.15 = 66,617.70/x
  3. Step 3: Cross multiply
    166,442.10x = 249,663.15 × 66,617.70
  4. Step 4: Simplify right side
    166,442.10x = 16,631,984,827.76
  5. Step 5: Solve for x
    x = 16,631,984,827.76/166,442.10
  6. Step 6: Final answer
    x = 99,926.55

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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.