Home / 210,243.49-290,134.79-119,599.21

Finding the Fourth Proportional to 210,243.49, 290,134.79 and 119,599.21

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Solution

The fourth proportional to 210,243.49, 290,134.79 and 119,599.21 is: 165,046.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,243.49 : 290,134.79 = 119,599.21 : x
  2. Step 2: Convert to fraction form
    210,243.49/290,134.79 = 119,599.21/x
  3. Step 3: Cross multiply
    210,243.49x = 290,134.79 × 119,599.21
  4. Step 4: Simplify right side
    210,243.49x = 34,699,891,079.52
  5. Step 5: Solve for x
    x = 34,699,891,079.52/210,243.49
  6. Step 6: Final answer
    x = 165,046.21

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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.