Home / 145,979.62-201,452.01-85,538.23

Finding the Fourth Proportional to 145,979.62, 201,452.01 and 85,538.23

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Solution

The fourth proportional to 145,979.62, 201,452.01 and 85,538.23 is: 118,042.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,979.62 : 201,452.01 = 85,538.23 : x
  2. Step 2: Convert to fraction form
    145,979.62/201,452.01 = 85,538.23/x
  3. Step 3: Cross multiply
    145,979.62x = 201,452.01 × 85,538.23
  4. Step 4: Simplify right side
    145,979.62x = 17,231,848,365.34
  5. Step 5: Solve for x
    x = 17,231,848,365.34/145,979.62
  6. Step 6: Final answer
    x = 118,042.84

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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.