Home / 123,017.85-184,534.07-38,780.69

Finding the Fourth Proportional to 123,017.85, 184,534.07 and 38,780.69

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Solution

The fourth proportional to 123,017.85, 184,534.07 and 38,780.69 is: 58,173.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,017.85 : 184,534.07 = 38,780.69 : x
  2. Step 2: Convert to fraction form
    123,017.85/184,534.07 = 38,780.69/x
  3. Step 3: Cross multiply
    123,017.85x = 184,534.07 × 38,780.69
  4. Step 4: Simplify right side
    123,017.85x = 7,156,357,446.53
  5. Step 5: Solve for x
    x = 7,156,357,446.53/123,017.85
  6. Step 6: Final answer
    x = 58,173.33

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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.