Home / 115,235.31-172,852.92-36,355.71

Finding the Fourth Proportional to 115,235.31, 172,852.92 and 36,355.71

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Solution

The fourth proportional to 115,235.31, 172,852.92 and 36,355.71 is: 54,533.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,235.31 : 172,852.92 = 36,355.71 : x
  2. Step 2: Convert to fraction form
    115,235.31/172,852.92 = 36,355.71/x
  3. Step 3: Cross multiply
    115,235.31x = 172,852.92 × 36,355.71
  4. Step 4: Simplify right side
    115,235.31x = 6,284,190,632.17
  5. Step 5: Solve for x
    x = 6,284,190,632.17/115,235.31
  6. Step 6: Final answer
    x = 54,533.55

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1.5x scale

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.