Home / 115,221.87-172,832.81-36,342.23

Finding the Fourth Proportional to 115,221.87, 172,832.81 and 36,342.23

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Solution

The fourth proportional to 115,221.87, 172,832.81 and 36,342.23 is: 54,513.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,221.87 : 172,832.81 = 36,342.23 : x
  2. Step 2: Convert to fraction form
    115,221.87/172,832.81 = 36,342.23/x
  3. Step 3: Cross multiply
    115,221.87x = 172,832.81 × 36,342.23
  4. Step 4: Simplify right side
    115,221.87x = 6,281,128,686.69
  5. Step 5: Solve for x
    x = 6,281,128,686.69/115,221.87
  6. Step 6: Final answer
    x = 54,513.34

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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.