Home / 250,355.56-375,492.63-81,873.33

Finding the Fourth Proportional to 250,355.56, 375,492.63 and 81,873.33

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Solution

The fourth proportional to 250,355.56, 375,492.63 and 81,873.33 is: 122,796.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,355.56 : 375,492.63 = 81,873.33 : x
  2. Step 2: Convert to fraction form
    250,355.56/375,492.63 = 81,873.33/x
  3. Step 3: Cross multiply
    250,355.56x = 375,492.63 × 81,873.33
  4. Step 4: Simplify right side
    250,355.56x = 30,742,832,315.58
  5. Step 5: Solve for x
    x = 30,742,832,315.58/250,355.56
  6. Step 6: Final answer
    x = 122,796.68

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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.