Home / 212,200.29-317,873.05-98,187.41

Finding the Fourth Proportional to 212,200.29, 317,873.05 and 98,187.41

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Solution

The fourth proportional to 212,200.29, 317,873.05 and 98,187.41 is: 147,083.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,200.29 : 317,873.05 = 98,187.41 : x
  2. Step 2: Convert to fraction form
    212,200.29/317,873.05 = 98,187.41/x
  3. Step 3: Cross multiply
    212,200.29x = 317,873.05 × 98,187.41
  4. Step 4: Simplify right side
    212,200.29x = 31,211,132,037.51
  5. Step 5: Solve for x
    x = 31,211,132,037.51/212,200.29
  6. Step 6: Final answer
    x = 147,083.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.