Home / 115,005.12-172,496.34-36,117.24

Finding the Fourth Proportional to 115,005.12, 172,496.34 and 36,117.24

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Solution

The fourth proportional to 115,005.12, 172,496.34 and 36,117.24 is: 54,172.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,005.12 : 172,496.34 = 36,117.24 : x
  2. Step 2: Convert to fraction form
    115,005.12/172,496.34 = 36,117.24/x
  3. Step 3: Cross multiply
    115,005.12x = 172,496.34 × 36,117.24
  4. Step 4: Simplify right side
    115,005.12x = 6,230,091,710.90
  5. Step 5: Solve for x
    x = 6,230,091,710.90/115,005.12
  6. Step 6: Final answer
    x = 54,172.30

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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.