Home / 209,723.87-314,603.96-57,921.01

Finding the Fourth Proportional to 209,723.87, 314,603.96 and 57,921.01

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Solution

The fourth proportional to 209,723.87, 314,603.96 and 57,921.01 is: 86,886.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,723.87 : 314,603.96 = 57,921.01 : x
  2. Step 2: Convert to fraction form
    209,723.87/314,603.96 = 57,921.01/x
  3. Step 3: Cross multiply
    209,723.87x = 314,603.96 × 57,921.01
  4. Step 4: Simplify right side
    209,723.87x = 18,222,178,037.08
  5. Step 5: Solve for x
    x = 18,222,178,037.08/209,723.87
  6. Step 6: Final answer
    x = 86,886.52

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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.