Home / 210,211.20-290,092.48-114,719.88

Finding the Fourth Proportional to 210,211.20, 290,092.48 and 114,719.88

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Solution

The fourth proportional to 210,211.20, 290,092.48 and 114,719.88 is: 158,313.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,211.20 : 290,092.48 = 114,719.88 : x
  2. Step 2: Convert to fraction form
    210,211.20/290,092.48 = 114,719.88/x
  3. Step 3: Cross multiply
    210,211.20x = 290,092.48 × 114,719.88
  4. Step 4: Simplify right side
    210,211.20x = 33,279,374,494.50
  5. Step 5: Solve for x
    x = 33,279,374,494.50/210,211.20
  6. Step 6: Final answer
    x = 158,313.99

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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.