Home / 145,153.71-217,730.31-95,221.92

Finding the Fourth Proportional to 145,153.71, 217,730.31 and 95,221.92

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Solution

The fourth proportional to 145,153.71, 217,730.31 and 95,221.92 is: 142,832.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,153.71 : 217,730.31 = 95,221.92 : x
  2. Step 2: Convert to fraction form
    145,153.71/217,730.31 = 95,221.92/x
  3. Step 3: Cross multiply
    145,153.71x = 217,730.31 × 95,221.92
  4. Step 4: Simplify right side
    145,153.71x = 20,732,698,160.40
  5. Step 5: Solve for x
    x = 20,732,698,160.40/145,153.71
  6. Step 6: Final answer
    x = 142,832.71

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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.