Home / 166,516.10-249,774.15-155,456.90

Finding the Fourth Proportional to 166,516.10, 249,774.15 and 155,456.90

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Solution

The fourth proportional to 166,516.10, 249,774.15 and 155,456.90 is: 233,185.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,516.10 : 249,774.15 = 155,456.90 : x
  2. Step 2: Convert to fraction form
    166,516.10/249,774.15 = 155,456.90/x
  3. Step 3: Cross multiply
    166,516.10x = 249,774.15 × 155,456.90
  4. Step 4: Simplify right side
    166,516.10x = 38,829,115,059.14
  5. Step 5: Solve for x
    x = 38,829,115,059.14/166,516.10
  6. Step 6: Final answer
    x = 233,185.35

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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.