Home / 210,135.96-289,986.25-119,491.93

Finding the Fourth Proportional to 210,135.96, 289,986.25 and 119,491.93

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Solution

The fourth proportional to 210,135.96, 289,986.25 and 119,491.93 is: 164,898.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,135.96 : 289,986.25 = 119,491.93 : x
  2. Step 2: Convert to fraction form
    210,135.96/289,986.25 = 119,491.93/x
  3. Step 3: Cross multiply
    210,135.96x = 289,986.25 × 119,491.93
  4. Step 4: Simplify right side
    210,135.96x = 34,651,016,685.96
  5. Step 5: Solve for x
    x = 34,651,016,685.96/210,135.96
  6. Step 6: Final answer
    x = 164,898.08

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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.