Home / 134,336.69-185,386.18-76,974.88

Finding the Fourth Proportional to 134,336.69, 185,386.18 and 76,974.88

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Solution

The fourth proportional to 134,336.69, 185,386.18 and 76,974.88 is: 106,226.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,336.69 : 185,386.18 = 76,974.88 : x
  2. Step 2: Convert to fraction form
    134,336.69/185,386.18 = 76,974.88/x
  3. Step 3: Cross multiply
    134,336.69x = 185,386.18 × 76,974.88
  4. Step 4: Simplify right side
    134,336.69x = 14,270,078,032.23
  5. Step 5: Solve for x
    x = 14,270,078,032.23/134,336.69
  6. Step 6: Final answer
    x = 106,226.21

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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.