Home / 119,280.29-164,610.35-68,309.51

Finding the Fourth Proportional to 119,280.29, 164,610.35 and 68,309.51

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Solution

The fourth proportional to 119,280.29, 164,610.35 and 68,309.51 is: 94,269.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,280.29 : 164,610.35 = 68,309.51 : x
  2. Step 2: Convert to fraction form
    119,280.29/164,610.35 = 68,309.51/x
  3. Step 3: Cross multiply
    119,280.29x = 164,610.35 × 68,309.51
  4. Step 4: Simplify right side
    119,280.29x = 11,244,451,184.83
  5. Step 5: Solve for x
    x = 11,244,451,184.83/119,280.29
  6. Step 6: Final answer
    x = 94,269.15

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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.