Home / 137,794.99-190,150.65-76,545.14

Finding the Fourth Proportional to 137,794.99, 190,150.65 and 76,545.14

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Solution

The fourth proportional to 137,794.99, 190,150.65 and 76,545.14 is: 105,628.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,794.99 : 190,150.65 = 76,545.14 : x
  2. Step 2: Convert to fraction form
    137,794.99/190,150.65 = 76,545.14/x
  3. Step 3: Cross multiply
    137,794.99x = 190,150.65 × 76,545.14
  4. Step 4: Simplify right side
    137,794.99x = 14,555,109,148.61
  5. Step 5: Solve for x
    x = 14,555,109,148.61/137,794.99
  6. Step 6: Final answer
    x = 105,628.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.