Home / 122,812.30-184,218.45-91,708.30

Finding the Fourth Proportional to 122,812.30, 184,218.45 and 91,708.30

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Solution

The fourth proportional to 122,812.30, 184,218.45 and 91,708.30 is: 137,562.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,812.30 : 184,218.45 = 91,708.30 : x
  2. Step 2: Convert to fraction form
    122,812.30/184,218.45 = 91,708.30/x
  3. Step 3: Cross multiply
    122,812.30x = 184,218.45 × 91,708.30
  4. Step 4: Simplify right side
    122,812.30x = 16,894,360,878.14
  5. Step 5: Solve for x
    x = 16,894,360,878.14/122,812.30
  6. Step 6: Final answer
    x = 137,562.45

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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.