Home / 166,329.10-249,671.28-71,606.20

Finding the Fourth Proportional to 166,329.10, 249,671.28 and 71,606.20

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Solution

The fourth proportional to 166,329.10, 249,671.28 and 71,606.20 is: 107,485.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,329.10 : 249,671.28 = 71,606.20 : x
  2. Step 2: Convert to fraction form
    166,329.10/249,671.28 = 71,606.20/x
  3. Step 3: Cross multiply
    166,329.10x = 249,671.28 × 71,606.20
  4. Step 4: Simplify right side
    166,329.10x = 17,878,011,609.94
  5. Step 5: Solve for x
    x = 17,878,011,609.94/166,329.10
  6. Step 6: Final answer
    x = 107,485.77

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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.