Home / 181,196.60-250,058.85-100,624.78

Finding the Fourth Proportional to 181,196.60, 250,058.85 and 100,624.78

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Solution

The fourth proportional to 181,196.60, 250,058.85 and 100,624.78 is: 138,866.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,196.60 : 250,058.85 = 100,624.78 : x
  2. Step 2: Convert to fraction form
    181,196.60/250,058.85 = 100,624.78/x
  3. Step 3: Cross multiply
    181,196.60x = 250,058.85 × 100,624.78
  4. Step 4: Simplify right side
    181,196.60x = 25,162,116,703.53
  5. Step 5: Solve for x
    x = 25,162,116,703.53/181,196.60
  6. Step 6: Final answer
    x = 138,866.39

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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.