Home / 102,889.79-155,105.87-96,031.50

Finding the Fourth Proportional to 102,889.79, 155,105.87 and 96,031.50

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Solution

The fourth proportional to 102,889.79, 155,105.87 and 96,031.50 is: 144,767.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,889.79 : 155,105.87 = 96,031.50 : x
  2. Step 2: Convert to fraction form
    102,889.79/155,105.87 = 96,031.50/x
  3. Step 3: Cross multiply
    102,889.79x = 155,105.87 × 96,031.50
  4. Step 4: Simplify right side
    102,889.79x = 14,895,048,874.75
  5. Step 5: Solve for x
    x = 14,895,048,874.75/102,889.79
  6. Step 6: Final answer
    x = 144,767.03

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.