Home / 132,418.98-182,778.21-90,002.07

Finding the Fourth Proportional to 132,418.98, 182,778.21 and 90,002.07

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Solution

The fourth proportional to 132,418.98, 182,778.21 and 90,002.07 is: 124,230.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,418.98 : 182,778.21 = 90,002.07 : x
  2. Step 2: Convert to fraction form
    132,418.98/182,778.21 = 90,002.07/x
  3. Step 3: Cross multiply
    132,418.98x = 182,778.21 × 90,002.07
  4. Step 4: Simplify right side
    132,418.98x = 16,450,417,250.89
  5. Step 5: Solve for x
    x = 16,450,417,250.89/132,418.98
  6. Step 6: Final answer
    x = 124,230.06

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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.