Home / 258,056.28-386,996.94-89,532.14

Finding the Fourth Proportional to 258,056.28, 386,996.94 and 89,532.14

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Solution

The fourth proportional to 258,056.28, 386,996.94 and 89,532.14 is: 134,267.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,056.28 : 386,996.94 = 89,532.14 : x
  2. Step 2: Convert to fraction form
    258,056.28/386,996.94 = 89,532.14/x
  3. Step 3: Cross multiply
    258,056.28x = 386,996.94 × 89,532.14
  4. Step 4: Simplify right side
    258,056.28x = 34,648,662,276.67
  5. Step 5: Solve for x
    x = 34,648,662,276.67/258,056.28
  6. Step 6: Final answer
    x = 134,267.85

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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.