Home / 115,157.13-172,760.95-35,201.72

Finding the Fourth Proportional to 115,157.13, 172,760.95 and 35,201.72

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Solution

The fourth proportional to 115,157.13, 172,760.95 and 35,201.72 is: 52,810.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,157.13 : 172,760.95 = 35,201.72 : x
  2. Step 2: Convert to fraction form
    115,157.13/172,760.95 = 35,201.72/x
  3. Step 3: Cross multiply
    115,157.13x = 172,760.95 × 35,201.72
  4. Step 4: Simplify right side
    115,157.13x = 6,081,483,064.74
  5. Step 5: Solve for x
    x = 6,081,483,064.74/115,157.13
  6. Step 6: Final answer
    x = 52,810.31

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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.