Home / 144,937.20-217,427.40-51,435.12

Finding the Fourth Proportional to 144,937.20, 217,427.40 and 51,435.12

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Solution

The fourth proportional to 144,937.20, 217,427.40 and 51,435.12 is: 77,160.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,937.20 : 217,427.40 = 51,435.12 : x
  2. Step 2: Convert to fraction form
    144,937.20/217,427.40 = 51,435.12/x
  3. Step 3: Cross multiply
    144,937.20x = 217,427.40 × 51,435.12
  4. Step 4: Simplify right side
    144,937.20x = 11,183,404,410.29
  5. Step 5: Solve for x
    x = 11,183,404,410.29/144,937.20
  6. Step 6: Final answer
    x = 77,160.35

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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.