Home / 210,268.06-290,159.78-119,615.49

Finding the Fourth Proportional to 210,268.06, 290,159.78 and 119,615.49

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Solution

The fourth proportional to 210,268.06, 290,159.78 and 119,615.49 is: 165,063.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,268.06 : 290,159.78 = 119,615.49 : x
  2. Step 2: Convert to fraction form
    210,268.06/290,159.78 = 119,615.49/x
  3. Step 3: Cross multiply
    210,268.06x = 290,159.78 × 119,615.49
  4. Step 4: Simplify right side
    210,268.06x = 34,707,604,262.99
  5. Step 5: Solve for x
    x = 34,707,604,262.99/210,268.06
  6. Step 6: Final answer
    x = 165,063.61

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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.