Home / 210,051.21-289,867.75-114,557.88

Finding the Fourth Proportional to 210,051.21, 289,867.75 and 114,557.88

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Solution

The fourth proportional to 210,051.21, 289,867.75 and 114,557.88 is: 158,088.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,051.21 : 289,867.75 = 114,557.88 : x
  2. Step 2: Convert to fraction form
    210,051.21/289,867.75 = 114,557.88/x
  3. Step 3: Cross multiply
    210,051.21x = 289,867.75 × 114,557.88
  4. Step 4: Simplify right side
    210,051.21x = 33,206,634,633.98
  5. Step 5: Solve for x
    x = 33,206,634,633.98/210,051.21
  6. Step 6: Final answer
    x = 158,088.28

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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.