Home / 119,257.56-164,514.78-90,914.04

Finding the Fourth Proportional to 119,257.56, 164,514.78 and 90,914.04

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Solution

The fourth proportional to 119,257.56, 164,514.78 and 90,914.04 is: 125,415.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,257.56 : 164,514.78 = 90,914.04 : x
  2. Step 2: Convert to fraction form
    119,257.56/164,514.78 = 90,914.04/x
  3. Step 3: Cross multiply
    119,257.56x = 164,514.78 × 90,914.04
  4. Step 4: Simplify right side
    119,257.56x = 14,956,703,289.51
  5. Step 5: Solve for x
    x = 14,956,703,289.51/119,257.56
  6. Step 6: Final answer
    x = 125,415.14

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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.