Home / 145,979.61-201,452.01-85,538.22

Finding the Fourth Proportional to 145,979.61, 201,452.01 and 85,538.22

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Solution

The fourth proportional to 145,979.61, 201,452.01 and 85,538.22 is: 118,042.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,979.61 : 201,452.01 = 85,538.22 : x
  2. Step 2: Convert to fraction form
    145,979.61/201,452.01 = 85,538.22/x
  3. Step 3: Cross multiply
    145,979.61x = 201,452.01 × 85,538.22
  4. Step 4: Simplify right side
    145,979.61x = 17,231,846,350.82
  5. Step 5: Solve for x
    x = 17,231,846,350.82/145,979.61
  6. Step 6: Final answer
    x = 118,042.83

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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.