Home / 250,289.52-375,402.96-81,795.76

Finding the Fourth Proportional to 250,289.52, 375,402.96 and 81,795.76

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Solution

The fourth proportional to 250,289.52, 375,402.96 and 81,795.76 is: 122,683.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,289.52 : 375,402.96 = 81,795.76 : x
  2. Step 2: Convert to fraction form
    250,289.52/375,402.96 = 81,795.76/x
  3. Step 3: Cross multiply
    250,289.52x = 375,402.96 × 81,795.76
  4. Step 4: Simplify right side
    250,289.52x = 30,706,370,419.45
  5. Step 5: Solve for x
    x = 30,706,370,419.45/250,289.52
  6. Step 6: Final answer
    x = 122,683.40

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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.