Home / 134,910.54-186,184.98-77,568.12

Finding the Fourth Proportional to 134,910.54, 186,184.98 and 77,568.12

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Solution

The fourth proportional to 134,910.54, 186,184.98 and 77,568.12 is: 107,048.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,910.54 : 186,184.98 = 77,568.12 : x
  2. Step 2: Convert to fraction form
    134,910.54/186,184.98 = 77,568.12/x
  3. Step 3: Cross multiply
    134,910.54x = 186,184.98 × 77,568.12
  4. Step 4: Simplify right side
    134,910.54x = 14,442,018,870.84
  5. Step 5: Solve for x
    x = 14,442,018,870.84/134,910.54
  6. Step 6: Final answer
    x = 107,048.86

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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.