Home / 134,678.10-185,857.05-74,250.96

Finding the Fourth Proportional to 134,678.10, 185,857.05 and 74,250.96

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Solution

The fourth proportional to 134,678.10, 185,857.05 and 74,250.96 is: 102,467.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,678.10 : 185,857.05 = 74,250.96 : x
  2. Step 2: Convert to fraction form
    134,678.10/185,857.05 = 74,250.96/x
  3. Step 3: Cross multiply
    134,678.10x = 185,857.05 × 74,250.96
  4. Step 4: Simplify right side
    134,678.10x = 13,800,064,385.27
  5. Step 5: Solve for x
    x = 13,800,064,385.27/134,678.10
  6. Step 6: Final answer
    x = 102,467.03

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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.