Home / 140,015.85-209,864.83-123,116.15

Finding the Fourth Proportional to 140,015.85, 209,864.83 and 123,116.15

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Solution

The fourth proportional to 140,015.85, 209,864.83 and 123,116.15 is: 184,534.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,015.85 : 209,864.83 = 123,116.15 : x
  2. Step 2: Convert to fraction form
    140,015.85/209,864.83 = 123,116.15/x
  3. Step 3: Cross multiply
    140,015.85x = 209,864.83 × 123,116.15
  4. Step 4: Simplify right side
    140,015.85x = 25,837,749,890.00
  5. Step 5: Solve for x
    x = 25,837,749,890.00/140,015.85
  6. Step 6: Final answer
    x = 184,534.46

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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.