Home / 210,314.16-290,229.66-119,668.14

Finding the Fourth Proportional to 210,314.16, 290,229.66 and 119,668.14

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Solution

The fourth proportional to 210,314.16, 290,229.66 and 119,668.14 is: 165,139.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,314.16 : 290,229.66 = 119,668.14 : x
  2. Step 2: Convert to fraction form
    210,314.16/290,229.66 = 119,668.14/x
  3. Step 3: Cross multiply
    210,314.16x = 290,229.66 × 119,668.14
  4. Step 4: Simplify right side
    210,314.16x = 34,731,243,585.03
  5. Step 5: Solve for x
    x = 34,731,243,585.03/210,314.16
  6. Step 6: Final answer
    x = 165,139.83

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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.