Home / 134,062.68-184,999.26-76,703.12

Finding the Fourth Proportional to 134,062.68, 184,999.26 and 76,703.12

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Solution

The fourth proportional to 134,062.68, 184,999.26 and 76,703.12 is: 105,846.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,062.68 : 184,999.26 = 76,703.12 : x
  2. Step 2: Convert to fraction form
    134,062.68/184,999.26 = 76,703.12/x
  3. Step 3: Cross multiply
    134,062.68x = 184,999.26 × 76,703.12
  4. Step 4: Simplify right side
    134,062.68x = 14,190,020,439.69
  5. Step 5: Solve for x
    x = 14,190,020,439.69/134,062.68
  6. Step 6: Final answer
    x = 105,846.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.