Home / 210,216.31-290,099.31-114,725.13

Finding the Fourth Proportional to 210,216.31, 290,099.31 and 114,725.13

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Solution

The fourth proportional to 210,216.31, 290,099.31 and 114,725.13 is: 158,321.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,216.31 : 290,099.31 = 114,725.13 : x
  2. Step 2: Convert to fraction form
    210,216.31/290,099.31 = 114,725.13/x
  3. Step 3: Cross multiply
    210,216.31x = 290,099.31 × 114,725.13
  4. Step 4: Simplify right side
    210,216.31x = 33,281,679,888.98
  5. Step 5: Solve for x
    x = 33,281,679,888.98/210,216.31
  6. Step 6: Final answer
    x = 158,321.12

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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.