Home / 89,712.39-134,567.91-23,146.86

Finding the Fourth Proportional to 89,712.39, 134,567.91 and 23,146.86

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Solution

The fourth proportional to 89,712.39, 134,567.91 and 23,146.86 is: 34,720.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,712.39 : 134,567.91 = 23,146.86 : x
  2. Step 2: Convert to fraction form
    89,712.39/134,567.91 = 23,146.86/x
  3. Step 3: Cross multiply
    89,712.39x = 134,567.91 × 23,146.86
  4. Step 4: Simplify right side
    89,712.39x = 3,114,824,573.26
  5. Step 5: Solve for x
    x = 3,114,824,573.26/89,712.39
  6. Step 6: Final answer
    x = 34,720.12

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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.