Home / 109,320.65-164,068.44-56,745.17

Finding the Fourth Proportional to 109,320.65, 164,068.44 and 56,745.17

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Solution

The fourth proportional to 109,320.65, 164,068.44 and 56,745.17 is: 85,163.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,320.65 : 164,068.44 = 56,745.17 : x
  2. Step 2: Convert to fraction form
    109,320.65/164,068.44 = 56,745.17/x
  3. Step 3: Cross multiply
    109,320.65x = 164,068.44 × 56,745.17
  4. Step 4: Simplify right side
    109,320.65x = 9,310,090,415.37
  5. Step 5: Solve for x
    x = 9,310,090,415.37/109,320.65
  6. Step 6: Final answer
    x = 85,163.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.