Home / 236,738.76-355,140.29-76,762.52

Finding the Fourth Proportional to 236,738.76, 355,140.29 and 76,762.52

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Solution

The fourth proportional to 236,738.76, 355,140.29 and 76,762.52 is: 115,154.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,738.76 : 355,140.29 = 76,762.52 : x
  2. Step 2: Convert to fraction form
    236,738.76/355,140.29 = 76,762.52/x
  3. Step 3: Cross multiply
    236,738.76x = 355,140.29 × 76,762.52
  4. Step 4: Simplify right side
    236,738.76x = 27,261,464,320.42
  5. Step 5: Solve for x
    x = 27,261,464,320.42/236,738.76
  6. Step 6: Final answer
    x = 115,154.21

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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.