Home / 172,278.04-237,690.24-100,606.36

Finding the Fourth Proportional to 172,278.04, 237,690.24 and 100,606.36

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Solution

The fourth proportional to 172,278.04, 237,690.24 and 100,606.36 is: 138,805.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,278.04 : 237,690.24 = 100,606.36 : x
  2. Step 2: Convert to fraction form
    172,278.04/237,690.24 = 100,606.36/x
  3. Step 3: Cross multiply
    172,278.04x = 237,690.24 × 100,606.36
  4. Step 4: Simplify right side
    172,278.04x = 23,913,149,853.93
  5. Step 5: Solve for x
    x = 23,913,149,853.93/172,278.04
  6. Step 6: Final answer
    x = 138,805.56

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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.