Home / 210,441.80-290,416.66-114,957.40

Finding the Fourth Proportional to 210,441.80, 290,416.66 and 114,957.40

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Solution

The fourth proportional to 210,441.80, 290,416.66 and 114,957.40 is: 158,645.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,441.80 : 290,416.66 = 114,957.40 : x
  2. Step 2: Convert to fraction form
    210,441.80/290,416.66 = 114,957.40/x
  3. Step 3: Cross multiply
    210,441.80x = 290,416.66 × 114,957.40
  4. Step 4: Simplify right side
    210,441.80x = 33,385,544,150.28
  5. Step 5: Solve for x
    x = 33,385,544,150.28/210,441.80
  6. Step 6: Final answer
    x = 158,645.02

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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.