Home / 210,238.76-290,127.22-114,744.68

Finding the Fourth Proportional to 210,238.76, 290,127.22 and 114,744.68

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Solution

The fourth proportional to 210,238.76, 290,127.22 and 114,744.68 is: 158,346.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,238.76 : 290,127.22 = 114,744.68 : x
  2. Step 2: Convert to fraction form
    210,238.76/290,127.22 = 114,744.68/x
  3. Step 3: Cross multiply
    210,238.76x = 290,127.22 × 114,744.68
  4. Step 4: Simplify right side
    210,238.76x = 33,290,555,018.19
  5. Step 5: Solve for x
    x = 33,290,555,018.19/210,238.76
  6. Step 6: Final answer
    x = 158,346.42

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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.