Home / 135,036.77-186,334.86-74,603.81

Finding the Fourth Proportional to 135,036.77, 186,334.86 and 74,603.81

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Solution

The fourth proportional to 135,036.77, 186,334.86 and 74,603.81 is: 102,944.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,036.77 : 186,334.86 = 74,603.81 : x
  2. Step 2: Convert to fraction form
    135,036.77/186,334.86 = 74,603.81/x
  3. Step 3: Cross multiply
    135,036.77x = 186,334.86 × 74,603.81
  4. Step 4: Simplify right side
    135,036.77x = 13,901,290,957.65
  5. Step 5: Solve for x
    x = 13,901,290,957.65/135,036.77
  6. Step 6: Final answer
    x = 102,944.48

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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.