Home / 199,590.12-299,513.66-79,626.58

Finding the Fourth Proportional to 199,590.12, 299,513.66 and 79,626.58

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Solution

The fourth proportional to 199,590.12, 299,513.66 and 79,626.58 is: 119,491.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,590.12 : 299,513.66 = 79,626.58 : x
  2. Step 2: Convert to fraction form
    199,590.12/299,513.66 = 79,626.58/x
  3. Step 3: Cross multiply
    199,590.12x = 299,513.66 × 79,626.58
  4. Step 4: Simplify right side
    199,590.12x = 23,849,248,409.08
  5. Step 5: Solve for x
    x = 23,849,248,409.08/199,590.12
  6. Step 6: Final answer
    x = 119,491.13

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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.