Home / 89,411.60-134,135.40-26,231.60

Finding the Fourth Proportional to 89,411.60, 134,135.40 and 26,231.60

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Solution

The fourth proportional to 89,411.60, 134,135.40 and 26,231.60 is: 39,352.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,411.60 : 134,135.40 = 26,231.60 : x
  2. Step 2: Convert to fraction form
    89,411.60/134,135.40 = 26,231.60/x
  3. Step 3: Cross multiply
    89,411.60x = 134,135.40 × 26,231.60
  4. Step 4: Simplify right side
    89,411.60x = 3,518,586,158.64
  5. Step 5: Solve for x
    x = 3,518,586,158.64/89,411.60
  6. Step 6: Final answer
    x = 39,352.68

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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.