Home / 210,113.31-289,955.97-114,619.98

Finding the Fourth Proportional to 210,113.31, 289,955.97 and 114,619.98

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Solution

The fourth proportional to 210,113.31, 289,955.97 and 114,619.98 is: 158,175.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,113.31 : 289,955.97 = 114,619.98 : x
  2. Step 2: Convert to fraction form
    210,113.31/289,955.97 = 114,619.98/x
  3. Step 3: Cross multiply
    210,113.31x = 289,955.97 × 114,619.98
  4. Step 4: Simplify right side
    210,113.31x = 33,234,747,482.28
  5. Step 5: Solve for x
    x = 33,234,747,482.28/210,113.31
  6. Step 6: Final answer
    x = 158,175.36

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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.