Home / 145,099.91-200,321.15-96,689.04

Finding the Fourth Proportional to 145,099.91, 200,321.15 and 96,689.04

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Solution

The fourth proportional to 145,099.91, 200,321.15 and 96,689.04 is: 133,486.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,099.91 : 200,321.15 = 96,689.04 : x
  2. Step 2: Convert to fraction form
    145,099.91/200,321.15 = 96,689.04/x
  3. Step 3: Cross multiply
    145,099.91x = 200,321.15 × 96,689.04
  4. Step 4: Simplify right side
    145,099.91x = 19,368,859,201.75
  5. Step 5: Solve for x
    x = 19,368,859,201.75/145,099.91
  6. Step 6: Final answer
    x = 133,486.37

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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.