Home / 133,111.95-183,694.94-85,365.48

Finding the Fourth Proportional to 133,111.95, 183,694.94 and 85,365.48

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Solution

The fourth proportional to 133,111.95, 183,694.94 and 85,365.48 is: 117,804.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,111.95 : 183,694.94 = 85,365.48 : x
  2. Step 2: Convert to fraction form
    133,111.95/183,694.94 = 85,365.48/x
  3. Step 3: Cross multiply
    133,111.95x = 183,694.94 × 85,365.48
  4. Step 4: Simplify right side
    133,111.95x = 15,681,206,726.67
  5. Step 5: Solve for x
    x = 15,681,206,726.67/133,111.95
  6. Step 6: Final answer
    x = 117,804.65

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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.