Home / 134,498.09-185,607.40-74,068.54

Finding the Fourth Proportional to 134,498.09, 185,607.40 and 74,068.54

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Solution

The fourth proportional to 134,498.09, 185,607.40 and 74,068.54 is: 102,214.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,498.09 : 185,607.40 = 74,068.54 : x
  2. Step 2: Convert to fraction form
    134,498.09/185,607.40 = 74,068.54/x
  3. Step 3: Cross multiply
    134,498.09x = 185,607.40 × 74,068.54
  4. Step 4: Simplify right side
    134,498.09x = 13,747,669,664.93
  5. Step 5: Solve for x
    x = 13,747,669,664.93/134,498.09
  6. Step 6: Final answer
    x = 102,214.61

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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.