Home / 210,212.42-290,099.54-119,581.52

Finding the Fourth Proportional to 210,212.42, 290,099.54 and 119,581.52

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Solution

The fourth proportional to 210,212.42, 290,099.54 and 119,581.52 is: 165,026.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,212.42 : 290,099.54 = 119,581.52 : x
  2. Step 2: Convert to fraction form
    210,212.42/290,099.54 = 119,581.52/x
  3. Step 3: Cross multiply
    210,212.42x = 290,099.54 × 119,581.52
  4. Step 4: Simplify right side
    210,212.42x = 34,690,542,792.96
  5. Step 5: Solve for x
    x = 34,690,542,792.96/210,212.42
  6. Step 6: Final answer
    x = 165,026.14

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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.