Home / 90,903.03-136,411.34-34,747.89

Finding the Fourth Proportional to 90,903.03, 136,411.34 and 34,747.89

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Solution

The fourth proportional to 90,903.03, 136,411.34 and 34,747.89 is: 52,143.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,903.03 : 136,411.34 = 34,747.89 : x
  2. Step 2: Convert to fraction form
    90,903.03/136,411.34 = 34,747.89/x
  3. Step 3: Cross multiply
    90,903.03x = 136,411.34 × 34,747.89
  4. Step 4: Simplify right side
    90,903.03x = 4,740,006,063.33
  5. Step 5: Solve for x
    x = 4,740,006,063.33/90,903.03
  6. Step 6: Final answer
    x = 52,143.54

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1.5x scale

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.