Home / 242,604.72-334,790.09-135,172.46

Finding the Fourth Proportional to 242,604.72, 334,790.09 and 135,172.46

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Solution

The fourth proportional to 242,604.72, 334,790.09 and 135,172.46 is: 186,535.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,604.72 : 334,790.09 = 135,172.46 : x
  2. Step 2: Convert to fraction form
    242,604.72/334,790.09 = 135,172.46/x
  3. Step 3: Cross multiply
    242,604.72x = 334,790.09 × 135,172.46
  4. Step 4: Simplify right side
    242,604.72x = 45,254,397,699.11
  5. Step 5: Solve for x
    x = 45,254,397,699.11/242,604.72
  6. Step 6: Final answer
    x = 186,535.52

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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.