Home / 166,165.70-249,248.54-131,640.26

Finding the Fourth Proportional to 166,165.70, 249,248.54 and 131,640.26

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Solution

The fourth proportional to 166,165.70, 249,248.54 and 131,640.26 is: 197,460.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,165.70 : 249,248.54 = 131,640.26 : x
  2. Step 2: Convert to fraction form
    166,165.70/249,248.54 = 131,640.26/x
  3. Step 3: Cross multiply
    166,165.70x = 249,248.54 × 131,640.26
  4. Step 4: Simplify right side
    166,165.70x = 32,811,141,693.08
  5. Step 5: Solve for x
    x = 32,811,141,693.08/166,165.70
  6. Step 6: Final answer
    x = 197,460.38

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1.5x scale

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.