Home / 210,618.43-290,613.08-119,972.41

Finding the Fourth Proportional to 210,618.43, 290,613.08 and 119,972.41

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Solution

The fourth proportional to 210,618.43, 290,613.08 and 119,972.41 is: 165,538.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,618.43 : 290,613.08 = 119,972.41 : x
  2. Step 2: Convert to fraction form
    210,618.43/290,613.08 = 119,972.41/x
  3. Step 3: Cross multiply
    210,618.43x = 290,613.08 × 119,972.41
  4. Step 4: Simplify right side
    210,618.43x = 34,865,551,158.52
  5. Step 5: Solve for x
    x = 34,865,551,158.52/210,618.43
  6. Step 6: Final answer
    x = 165,538.94

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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.