Home / 134,811.71-186,056.63-77,450.93

Finding the Fourth Proportional to 134,811.71, 186,056.63 and 77,450.93

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Solution

The fourth proportional to 134,811.71, 186,056.63 and 77,450.93 is: 106,891.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,811.71 : 186,056.63 = 77,450.93 : x
  2. Step 2: Convert to fraction form
    134,811.71/186,056.63 = 77,450.93/x
  3. Step 3: Cross multiply
    134,811.71x = 186,056.63 × 77,450.93
  4. Step 4: Simplify right side
    134,811.71x = 14,410,259,026.17
  5. Step 5: Solve for x
    x = 14,410,259,026.17/134,811.71
  6. Step 6: Final answer
    x = 106,891.75

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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.