Home / 145,100.91-200,322.53-96,690.04

Finding the Fourth Proportional to 145,100.91, 200,322.53 and 96,690.04

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Solution

The fourth proportional to 145,100.91, 200,322.53 and 96,690.04 is: 133,487.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,100.91 : 200,322.53 = 96,690.04 : x
  2. Step 2: Convert to fraction form
    145,100.91/200,322.53 = 96,690.04/x
  3. Step 3: Cross multiply
    145,100.91x = 200,322.53 × 96,690.04
  4. Step 4: Simplify right side
    145,100.91x = 19,369,193,438.60
  5. Step 5: Solve for x
    x = 19,369,193,438.60/145,100.91
  6. Step 6: Final answer
    x = 133,487.75

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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.