Home / 180,009.82-248,408.73-99,435.61

Finding the Fourth Proportional to 180,009.82, 248,408.73 and 99,435.61

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Solution

The fourth proportional to 180,009.82, 248,408.73 and 99,435.61 is: 137,218.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,009.82 : 248,408.73 = 99,435.61 : x
  2. Step 2: Convert to fraction form
    180,009.82/248,408.73 = 99,435.61/x
  3. Step 3: Cross multiply
    180,009.82x = 248,408.73 × 99,435.61
  4. Step 4: Simplify right side
    180,009.82x = 24,700,672,354.83
  5. Step 5: Solve for x
    x = 24,700,672,354.83/180,009.82
  6. Step 6: Final answer
    x = 137,218.48

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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.