Home / 146,167.28-201,711.84-85,773.68

Finding the Fourth Proportional to 146,167.28, 201,711.84 and 85,773.68

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Solution

The fourth proportional to 146,167.28, 201,711.84 and 85,773.68 is: 118,368.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,167.28 : 201,711.84 = 85,773.68 : x
  2. Step 2: Convert to fraction form
    146,167.28/201,711.84 = 85,773.68/x
  3. Step 3: Cross multiply
    146,167.28x = 201,711.84 × 85,773.68
  4. Step 4: Simplify right side
    146,167.28x = 17,301,566,816.37
  5. Step 5: Solve for x
    x = 17,301,566,816.37/146,167.28
  6. Step 6: Final answer
    x = 118,368.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.