Home / 134,041.36-184,969.86-76,681.82

Finding the Fourth Proportional to 134,041.36, 184,969.86 and 76,681.82

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Solution

The fourth proportional to 134,041.36, 184,969.86 and 76,681.82 is: 105,816.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,041.36 : 184,969.86 = 76,681.82 : x
  2. Step 2: Convert to fraction form
    134,041.36/184,969.86 = 76,681.82/x
  3. Step 3: Cross multiply
    134,041.36x = 184,969.86 × 76,681.82
  4. Step 4: Simplify right side
    134,041.36x = 14,183,825,509.95
  5. Step 5: Solve for x
    x = 14,183,825,509.95/134,041.36
  6. Step 6: Final answer
    x = 105,816.78

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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.