Home / 134,717.51-185,922.61-77,364.35

Finding the Fourth Proportional to 134,717.51, 185,922.61 and 77,364.35

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Solution

The fourth proportional to 134,717.51, 185,922.61 and 77,364.35 is: 106,769.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,717.51 : 185,922.61 = 77,364.35 : x
  2. Step 2: Convert to fraction form
    134,717.51/185,922.61 = 77,364.35/x
  3. Step 3: Cross multiply
    134,717.51x = 185,922.61 × 77,364.35
  4. Step 4: Simplify right side
    134,717.51x = 14,383,781,447.14
  5. Step 5: Solve for x
    x = 14,383,781,447.14/134,717.51
  6. Step 6: Final answer
    x = 106,769.95

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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.