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Finding the Fourth Proportional to 115,301.52, 159,118.48 and 65,000.48

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Solution

The fourth proportional to 115,301.52, 159,118.48 and 65,000.48 is: 89,702.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,301.52 : 159,118.48 = 65,000.48 : x
  2. Step 2: Convert to fraction form
    115,301.52/159,118.48 = 65,000.48/x
  3. Step 3: Cross multiply
    115,301.52x = 159,118.48 × 65,000.48
  4. Step 4: Simplify right side
    115,301.52x = 10,342,777,576.87
  5. Step 5: Solve for x
    x = 10,342,777,576.87/115,301.52
  6. Step 6: Final answer
    x = 89,702.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.