Home / 137,140.39-205,636.61-62,219.65

Finding the Fourth Proportional to 137,140.39, 205,636.61 and 62,219.65

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Solution

The fourth proportional to 137,140.39, 205,636.61 and 62,219.65 is: 93,295.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,140.39 : 205,636.61 = 62,219.65 : x
  2. Step 2: Convert to fraction form
    137,140.39/205,636.61 = 62,219.65/x
  3. Step 3: Cross multiply
    137,140.39x = 205,636.61 × 62,219.65
  4. Step 4: Simplify right side
    137,140.39x = 12,794,637,901.39
  5. Step 5: Solve for x
    x = 12,794,637,901.39/137,140.39
  6. Step 6: Final answer
    x = 93,295.91

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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.