Home / 134,537.32-185,654.64-74,106.66

Finding the Fourth Proportional to 134,537.32, 185,654.64 and 74,106.66

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Solution

The fourth proportional to 134,537.32, 185,654.64 and 74,106.66 is: 102,263.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,537.32 : 185,654.64 = 74,106.66 : x
  2. Step 2: Convert to fraction form
    134,537.32/185,654.64 = 74,106.66/x
  3. Step 3: Cross multiply
    134,537.32x = 185,654.64 × 74,106.66
  4. Step 4: Simplify right side
    134,537.32x = 13,758,245,283.90
  5. Step 5: Solve for x
    x = 13,758,245,283.90/134,537.32
  6. Step 6: Final answer
    x = 102,263.41

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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.