Home / 145,252.20-217,295.10-125,747.40

Finding the Fourth Proportional to 145,252.20, 217,295.10 and 125,747.40

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Solution

The fourth proportional to 145,252.20, 217,295.10 and 125,747.40 is: 188,116.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,252.20 : 217,295.10 = 125,747.40 : x
  2. Step 2: Convert to fraction form
    145,252.20/217,295.10 = 125,747.40/x
  3. Step 3: Cross multiply
    145,252.20x = 217,295.10 × 125,747.40
  4. Step 4: Simplify right side
    145,252.20x = 27,324,293,857.74
  5. Step 5: Solve for x
    x = 27,324,293,857.74/145,252.20
  6. Step 6: Final answer
    x = 188,116.21

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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.