Home / 119,179.45-164,472.81-68,208.18

Finding the Fourth Proportional to 119,179.45, 164,472.81 and 68,208.18

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Solution

The fourth proportional to 119,179.45, 164,472.81 and 68,208.18 is: 94,130.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,179.45 : 164,472.81 = 68,208.18 : x
  2. Step 2: Convert to fraction form
    119,179.45/164,472.81 = 68,208.18/x
  3. Step 3: Cross multiply
    119,179.45x = 164,472.81 × 68,208.18
  4. Step 4: Simplify right side
    119,179.45x = 11,218,391,029.59
  5. Step 5: Solve for x
    x = 11,218,391,029.59/119,179.45
  6. Step 6: Final answer
    x = 94,130.25

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1.5x scale

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.