Home / 89,968.05-134,971.25-26,788.46

Finding the Fourth Proportional to 89,968.05, 134,971.25 and 26,788.46

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Solution

The fourth proportional to 89,968.05, 134,971.25 and 26,788.46 is: 40,188.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,968.05 : 134,971.25 = 26,788.46 : x
  2. Step 2: Convert to fraction form
    89,968.05/134,971.25 = 26,788.46/x
  3. Step 3: Cross multiply
    89,968.05x = 134,971.25 × 26,788.46
  4. Step 4: Simplify right side
    89,968.05x = 3,615,671,122.98
  5. Step 5: Solve for x
    x = 3,615,671,122.98/89,968.05
  6. Step 6: Final answer
    x = 40,188.39

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1.5x scale

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.