Home / 89,780.21-134,659.36-23,214.77

Finding the Fourth Proportional to 89,780.21, 134,659.36 and 23,214.77

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Solution

The fourth proportional to 89,780.21, 134,659.36 and 23,214.77 is: 34,819.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,780.21 : 134,659.36 = 23,214.77 : x
  2. Step 2: Convert to fraction form
    89,780.21/134,659.36 = 23,214.77/x
  3. Step 3: Cross multiply
    89,780.21x = 134,659.36 × 23,214.77
  4. Step 4: Simplify right side
    89,780.21x = 3,126,085,931.44
  5. Step 5: Solve for x
    x = 3,126,085,931.44/89,780.21
  6. Step 6: Final answer
    x = 34,819.32

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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.