Home / 210,479.14-290,445.96-114,965.56

Finding the Fourth Proportional to 210,479.14, 290,445.96 and 114,965.56

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Solution

The fourth proportional to 210,479.14, 290,445.96 and 114,965.56 is: 158,644.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,479.14 : 290,445.96 = 114,965.56 : x
  2. Step 2: Convert to fraction form
    210,479.14/290,445.96 = 114,965.56/x
  3. Step 3: Cross multiply
    210,479.14x = 290,445.96 × 114,965.56
  4. Step 4: Simplify right side
    210,479.14x = 33,391,282,441.14
  5. Step 5: Solve for x
    x = 33,391,282,441.14/210,479.14
  6. Step 6: Final answer
    x = 158,644.14

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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.