Home / 210,079.38-290,051.51-161,595.21

Finding the Fourth Proportional to 210,079.38, 290,051.51 and 161,595.21

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Solution

The fourth proportional to 210,079.38, 290,051.51 and 161,595.21 is: 223,110.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,079.38 : 290,051.51 = 161,595.21 : x
  2. Step 2: Convert to fraction form
    210,079.38/290,051.51 = 161,595.21/x
  3. Step 3: Cross multiply
    210,079.38x = 290,051.51 × 161,595.21
  4. Step 4: Simplify right side
    210,079.38x = 46,870,933,861.29
  5. Step 5: Solve for x
    x = 46,870,933,861.29/210,079.38
  6. Step 6: Final answer
    x = 223,110.59

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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.