Home / 89,908.20-134,603.10-60,359.40

Finding the Fourth Proportional to 89,908.20, 134,603.10 and 60,359.40

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Solution

The fourth proportional to 89,908.20, 134,603.10 and 60,359.40 is: 90,365.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,908.20 : 134,603.10 = 60,359.40 : x
  2. Step 2: Convert to fraction form
    89,908.20/134,603.10 = 60,359.40/x
  3. Step 3: Cross multiply
    89,908.20x = 134,603.10 × 60,359.40
  4. Step 4: Simplify right side
    89,908.20x = 8,124,562,354.14
  5. Step 5: Solve for x
    x = 8,124,562,354.14/89,908.20
  6. Step 6: Final answer
    x = 90,365.09

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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.