Home / 120,935.80-166,823.28-72,524.82

Finding the Fourth Proportional to 120,935.80, 166,823.28 and 72,524.82

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Solution

The fourth proportional to 120,935.80, 166,823.28 and 72,524.82 is: 100,043.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,935.80 : 166,823.28 = 72,524.82 : x
  2. Step 2: Convert to fraction form
    120,935.80/166,823.28 = 72,524.82/x
  3. Step 3: Cross multiply
    120,935.80x = 166,823.28 × 72,524.82
  4. Step 4: Simplify right side
    120,935.80x = 12,098,828,353.81
  5. Step 5: Solve for x
    x = 12,098,828,353.81/120,935.80
  6. Step 6: Final answer
    x = 100,043.40

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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.