Home / 210,197.19-290,078.31-114,710.07

Finding the Fourth Proportional to 210,197.19, 290,078.31 and 114,710.07

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Solution

The fourth proportional to 210,197.19, 290,078.31 and 114,710.07 is: 158,303.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,197.19 : 290,078.31 = 114,710.07 : x
  2. Step 2: Convert to fraction form
    210,197.19/290,078.31 = 114,710.07/x
  3. Step 3: Cross multiply
    210,197.19x = 290,078.31 × 114,710.07
  4. Step 4: Simplify right side
    210,197.19x = 33,274,903,245.58
  5. Step 5: Solve for x
    x = 33,274,903,245.58/210,197.19
  6. Step 6: Final answer
    x = 158,303.27

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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.