Home / 119,812.14-165,395.06-76,222.61

Finding the Fourth Proportional to 119,812.14, 165,395.06 and 76,222.61

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Solution

The fourth proportional to 119,812.14, 165,395.06 and 76,222.61 is: 105,221.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,812.14 : 165,395.06 = 76,222.61 : x
  2. Step 2: Convert to fraction form
    119,812.14/165,395.06 = 76,222.61/x
  3. Step 3: Cross multiply
    119,812.14x = 165,395.06 × 76,222.61
  4. Step 4: Simplify right side
    119,812.14x = 12,606,841,946.22
  5. Step 5: Solve for x
    x = 12,606,841,946.22/119,812.14
  6. Step 6: Final answer
    x = 105,221.74

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1.5x scale

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.