Home / 115,011.72-172,533.60-36,132.12

Finding the Fourth Proportional to 115,011.72, 172,533.60 and 36,132.12

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Solution

The fourth proportional to 115,011.72, 172,533.60 and 36,132.12 is: 54,203.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,011.72 : 172,533.60 = 36,132.12 : x
  2. Step 2: Convert to fraction form
    115,011.72/172,533.60 = 36,132.12/x
  3. Step 3: Cross multiply
    115,011.72x = 172,533.60 × 36,132.12
  4. Step 4: Simplify right side
    115,011.72x = 6,234,004,739.23
  5. Step 5: Solve for x
    x = 6,234,004,739.23/115,011.72
  6. Step 6: Final answer
    x = 54,203.21

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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.