Home / 144,895.72-217,320.25-39,690.10

Finding the Fourth Proportional to 144,895.72, 217,320.25 and 39,690.10

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Solution

The fourth proportional to 144,895.72, 217,320.25 and 39,690.10 is: 59,528.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,895.72 : 217,320.25 = 39,690.10 : x
  2. Step 2: Convert to fraction form
    144,895.72/217,320.25 = 39,690.10/x
  3. Step 3: Cross multiply
    144,895.72x = 217,320.25 × 39,690.10
  4. Step 4: Simplify right side
    144,895.72x = 8,625,462,454.53
  5. Step 5: Solve for x
    x = 8,625,462,454.53/144,895.72
  6. Step 6: Final answer
    x = 59,528.76

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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.