Home / 120,717.40-181,140.90-50,603.80

Finding the Fourth Proportional to 120,717.40, 181,140.90 and 50,603.80

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Solution

The fourth proportional to 120,717.40, 181,140.90 and 50,603.80 is: 75,932.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,717.40 : 181,140.90 = 50,603.80 : x
  2. Step 2: Convert to fraction form
    120,717.40/181,140.90 = 50,603.80/x
  3. Step 3: Cross multiply
    120,717.40x = 181,140.90 × 50,603.80
  4. Step 4: Simplify right side
    120,717.40x = 9,166,417,875.42
  5. Step 5: Solve for x
    x = 9,166,417,875.42/120,717.40
  6. Step 6: Final answer
    x = 75,932.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.