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Finding the Fourth Proportional to 145,498.68, 217,786.32 and 95,460.12

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Solution

The fourth proportional to 145,498.68, 217,786.32 and 95,460.12 is: 142,887.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,498.68 : 217,786.32 = 95,460.12 : x
  2. Step 2: Convert to fraction form
    145,498.68/217,786.32 = 95,460.12/x
  3. Step 3: Cross multiply
    145,498.68x = 217,786.32 × 95,460.12
  4. Step 4: Simplify right side
    145,498.68x = 20,789,908,241.56
  5. Step 5: Solve for x
    x = 20,789,908,241.56/145,498.68
  6. Step 6: Final answer
    x = 142,887.26

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1.5x scale

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.