Home / 210,216.18-290,099.14-114,725

Finding the Fourth Proportional to 210,216.18, 290,099.14 and 114,725

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Solution

The fourth proportional to 210,216.18, 290,099.14 and 114,725 is: 158,320.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,216.18 : 290,099.14 = 114,725 : x
  2. Step 2: Convert to fraction form
    210,216.18/290,099.14 = 114,725/x
  3. Step 3: Cross multiply
    210,216.18x = 290,099.14 × 114,725
  4. Step 4: Simplify right side
    210,216.18x = 33,281,623,836.50
  5. Step 5: Solve for x
    x = 33,281,623,836.50/210,216.18
  6. Step 6: Final answer
    x = 158,320.94

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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.