Home / 119,145.51-164,379.70-76,150.17

Finding the Fourth Proportional to 119,145.51, 164,379.70 and 76,150.17

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Solution

The fourth proportional to 119,145.51, 164,379.70 and 76,150.17 is: 105,060.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,145.51 : 164,379.70 = 76,150.17 : x
  2. Step 2: Convert to fraction form
    119,145.51/164,379.70 = 76,150.17/x
  3. Step 3: Cross multiply
    119,145.51x = 164,379.70 × 76,150.17
  4. Step 4: Simplify right side
    119,145.51x = 12,517,542,640.07
  5. Step 5: Solve for x
    x = 12,517,542,640.07/119,145.51
  6. Step 6: Final answer
    x = 105,060.97

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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.