Home / 201,979.10-302,968.65-162,613.10

Finding the Fourth Proportional to 201,979.10, 302,968.65 and 162,613.10

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Solution

The fourth proportional to 201,979.10, 302,968.65 and 162,613.10 is: 243,919.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,979.10 : 302,968.65 = 162,613.10 : x
  2. Step 2: Convert to fraction form
    201,979.10/302,968.65 = 162,613.10/x
  3. Step 3: Cross multiply
    201,979.10x = 302,968.65 × 162,613.10
  4. Step 4: Simplify right side
    201,979.10x = 49,266,671,379.32
  5. Step 5: Solve for x
    x = 49,266,671,379.32/201,979.10
  6. Step 6: Final answer
    x = 243,919.65

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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.