Home / 122,887.80-184,403.40-51,806.12

Finding the Fourth Proportional to 122,887.80, 184,403.40 and 51,806.12

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Solution

The fourth proportional to 122,887.80, 184,403.40 and 51,806.12 is: 77,739.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,887.80 : 184,403.40 = 51,806.12 : x
  2. Step 2: Convert to fraction form
    122,887.80/184,403.40 = 51,806.12/x
  3. Step 3: Cross multiply
    122,887.80x = 184,403.40 × 51,806.12
  4. Step 4: Simplify right side
    122,887.80x = 9,553,224,668.81
  5. Step 5: Solve for x
    x = 9,553,224,668.81/122,887.80
  6. Step 6: Final answer
    x = 77,739.41

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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.