Home / 172,572.33-238,092.73-100,901.61

Finding the Fourth Proportional to 172,572.33, 238,092.73 and 100,901.61

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Solution

The fourth proportional to 172,572.33, 238,092.73 and 100,901.61 is: 139,210.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,572.33 : 238,092.73 = 100,901.61 : x
  2. Step 2: Convert to fraction form
    172,572.33/238,092.73 = 100,901.61/x
  3. Step 3: Cross multiply
    172,572.33x = 238,092.73 × 100,901.61
  4. Step 4: Simplify right side
    172,572.33x = 24,023,938,595.83
  5. Step 5: Solve for x
    x = 24,023,938,595.83/172,572.33
  6. Step 6: Final answer
    x = 139,210.84

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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.