Home / 236,783.76-355,222.56-87,025.29

Finding the Fourth Proportional to 236,783.76, 355,222.56 and 87,025.29

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Solution

The fourth proportional to 236,783.76, 355,222.56 and 87,025.29 is: 130,555.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,783.76 : 355,222.56 = 87,025.29 : x
  2. Step 2: Convert to fraction form
    236,783.76/355,222.56 = 87,025.29/x
  3. Step 3: Cross multiply
    236,783.76x = 355,222.56 × 87,025.29
  4. Step 4: Simplify right side
    236,783.76x = 30,913,345,292.80
  5. Step 5: Solve for x
    x = 30,913,345,292.80/236,783.76
  6. Step 6: Final answer
    x = 130,555.18

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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.