Home / 145,110.30-217,665.45-134,612.70

Finding the Fourth Proportional to 145,110.30, 217,665.45 and 134,612.70

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Solution

The fourth proportional to 145,110.30, 217,665.45 and 134,612.70 is: 201,919.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,110.30 : 217,665.45 = 134,612.70 : x
  2. Step 2: Convert to fraction form
    145,110.30/217,665.45 = 134,612.70/x
  3. Step 3: Cross multiply
    145,110.30x = 217,665.45 × 134,612.70
  4. Step 4: Simplify right side
    145,110.30x = 29,300,533,921.22
  5. Step 5: Solve for x
    x = 29,300,533,921.22/145,110.30
  6. Step 6: Final answer
    x = 201,919.05

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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.