Home / 210,539.48-290,532.30-115,046.96

Finding the Fourth Proportional to 210,539.48, 290,532.30 and 115,046.96

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Solution

The fourth proportional to 210,539.48, 290,532.30 and 115,046.96 is: 158,758.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,539.48 : 290,532.30 = 115,046.96 : x
  2. Step 2: Convert to fraction form
    210,539.48/290,532.30 = 115,046.96/x
  3. Step 3: Cross multiply
    210,539.48x = 290,532.30 × 115,046.96
  4. Step 4: Simplify right side
    210,539.48x = 33,424,857,896.81
  5. Step 5: Solve for x
    x = 33,424,857,896.81/210,539.48
  6. Step 6: Final answer
    x = 158,758.15

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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.