Home / 134,463.06-185,538.06-77,863.50

Finding the Fourth Proportional to 134,463.06, 185,538.06 and 77,863.50

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Solution

The fourth proportional to 134,463.06, 185,538.06 and 77,863.50 is: 107,439.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,463.06 : 185,538.06 = 77,863.50 : x
  2. Step 2: Convert to fraction form
    134,463.06/185,538.06 = 77,863.50/x
  3. Step 3: Cross multiply
    134,463.06x = 185,538.06 × 77,863.50
  4. Step 4: Simplify right side
    134,463.06x = 14,446,642,734.81
  5. Step 5: Solve for x
    x = 14,446,642,734.81/134,463.06
  6. Step 6: Final answer
    x = 107,439.49

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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.