Home / 236,943.74-355,477.92-85,156.15

Finding the Fourth Proportional to 236,943.74, 355,477.92 and 85,156.15

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Solution

The fourth proportional to 236,943.74, 355,477.92 and 85,156.15 is: 127,756.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,943.74 : 355,477.92 = 85,156.15 : x
  2. Step 2: Convert to fraction form
    236,943.74/355,477.92 = 85,156.15/x
  3. Step 3: Cross multiply
    236,943.74x = 355,477.92 × 85,156.15
  4. Step 4: Simplify right side
    236,943.74x = 30,271,131,077.21
  5. Step 5: Solve for x
    x = 30,271,131,077.21/236,943.74
  6. Step 6: Final answer
    x = 127,756.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.