Home / 145,100.43-217,651.86-39,925.17

Finding the Fourth Proportional to 145,100.43, 217,651.86 and 39,925.17

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Solution

The fourth proportional to 145,100.43, 217,651.86 and 39,925.17 is: 59,888.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,100.43 : 217,651.86 = 39,925.17 : x
  2. Step 2: Convert to fraction form
    145,100.43/217,651.86 = 39,925.17/x
  3. Step 3: Cross multiply
    145,100.43x = 217,651.86 × 39,925.17
  4. Step 4: Simplify right side
    145,100.43x = 8,689,787,511.32
  5. Step 5: Solve for x
    x = 8,689,787,511.32/145,100.43
  6. Step 6: Final answer
    x = 59,888.09

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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.