Home / 172,992.08-238,864.20-135,373.52

Finding the Fourth Proportional to 172,992.08, 238,864.20 and 135,373.52

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Solution

The fourth proportional to 172,992.08, 238,864.20 and 135,373.52 is: 186,921.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,992.08 : 238,864.20 = 135,373.52 : x
  2. Step 2: Convert to fraction form
    172,992.08/238,864.20 = 135,373.52/x
  3. Step 3: Cross multiply
    172,992.08x = 238,864.20 × 135,373.52
  4. Step 4: Simplify right side
    172,992.08x = 32,335,887,555.98
  5. Step 5: Solve for x
    x = 32,335,887,555.98/172,992.08
  6. Step 6: Final answer
    x = 186,921.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.