Home / 144,943.20-217,436.40-51,441.12

Finding the Fourth Proportional to 144,943.20, 217,436.40 and 51,441.12

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Solution

The fourth proportional to 144,943.20, 217,436.40 and 51,441.12 is: 77,169.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,943.20 : 217,436.40 = 51,441.12 : x
  2. Step 2: Convert to fraction form
    144,943.20/217,436.40 = 51,441.12/x
  3. Step 3: Cross multiply
    144,943.20x = 217,436.40 × 51,441.12
  4. Step 4: Simplify right side
    144,943.20x = 11,185,171,944.77
  5. Step 5: Solve for x
    x = 11,185,171,944.77/144,943.20
  6. Step 6: Final answer
    x = 77,169.35

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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.