Home / 133,140.26-183,734.81-75,776.77

Finding the Fourth Proportional to 133,140.26, 183,734.81 and 75,776.77

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Solution

The fourth proportional to 133,140.26, 183,734.81 and 75,776.77 is: 104,572.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,140.26 : 183,734.81 = 75,776.77 : x
  2. Step 2: Convert to fraction form
    133,140.26/183,734.81 = 75,776.77/x
  3. Step 3: Cross multiply
    133,140.26x = 183,734.81 × 75,776.77
  4. Step 4: Simplify right side
    133,140.26x = 13,922,829,326.68
  5. Step 5: Solve for x
    x = 13,922,829,326.68/133,140.26
  6. Step 6: Final answer
    x = 104,572.65

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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.