Home / 146,242.49-201,815.96-85,814.13

Finding the Fourth Proportional to 146,242.49, 201,815.96 and 85,814.13

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Solution

The fourth proportional to 146,242.49, 201,815.96 and 85,814.13 is: 118,424.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,242.49 : 201,815.96 = 85,814.13 : x
  2. Step 2: Convert to fraction form
    146,242.49/201,815.96 = 85,814.13/x
  3. Step 3: Cross multiply
    146,242.49x = 201,815.96 × 85,814.13
  4. Step 4: Simplify right side
    146,242.49x = 17,318,661,998.86
  5. Step 5: Solve for x
    x = 17,318,661,998.86/146,242.49
  6. Step 6: Final answer
    x = 118,424.29

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1.5x scale

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.