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Finding the Fourth Proportional to 145,004.80, 200,093.52 and 88,404.88

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Solution

The fourth proportional to 145,004.80, 200,093.52 and 88,404.88 is: 121,990.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,004.80 : 200,093.52 = 88,404.88 : x
  2. Step 2: Convert to fraction form
    145,004.80/200,093.52 = 88,404.88/x
  3. Step 3: Cross multiply
    145,004.80x = 200,093.52 × 88,404.88
  4. Step 4: Simplify right side
    145,004.80x = 17,689,243,624.38
  5. Step 5: Solve for x
    x = 17,689,243,624.38/145,004.80
  6. Step 6: Final answer
    x = 121,990.75

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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.