Home / 89,430.21-134,149.40-63,251.82

Finding the Fourth Proportional to 89,430.21, 134,149.40 and 63,251.82

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Solution

The fourth proportional to 89,430.21, 134,149.40 and 63,251.82 is: 94,880.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,430.21 : 134,149.40 = 63,251.82 : x
  2. Step 2: Convert to fraction form
    89,430.21/134,149.40 = 63,251.82/x
  3. Step 3: Cross multiply
    89,430.21x = 134,149.40 × 63,251.82
  4. Step 4: Simplify right side
    89,430.21x = 8,485,193,701.91
  5. Step 5: Solve for x
    x = 8,485,193,701.91/89,430.21
  6. Step 6: Final answer
    x = 94,880.62

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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.