Home / 210,443.70-290,340.26-119,776.96

Finding the Fourth Proportional to 210,443.70, 290,340.26 and 119,776.96

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Solution

The fourth proportional to 210,443.70, 290,340.26 and 119,776.96 is: 165,251.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,443.70 : 290,340.26 = 119,776.96 : x
  2. Step 2: Convert to fraction form
    210,443.70/290,340.26 = 119,776.96/x
  3. Step 3: Cross multiply
    210,443.70x = 290,340.26 × 119,776.96
  4. Step 4: Simplify right side
    210,443.70x = 34,776,073,708.41
  5. Step 5: Solve for x
    x = 34,776,073,708.41/210,443.70
  6. Step 6: Final answer
    x = 165,251.20

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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.