Home / 90,808.52-136,170.72-50,254.76

Finding the Fourth Proportional to 90,808.52, 136,170.72 and 50,254.76

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Solution

The fourth proportional to 90,808.52, 136,170.72 and 50,254.76 is: 75,358.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,808.52 : 136,170.72 = 50,254.76 : x
  2. Step 2: Convert to fraction form
    90,808.52/136,170.72 = 50,254.76/x
  3. Step 3: Cross multiply
    90,808.52x = 136,170.72 × 50,254.76
  4. Step 4: Simplify right side
    90,808.52x = 6,843,226,852.63
  5. Step 5: Solve for x
    x = 6,843,226,852.63/90,808.52
  6. Step 6: Final answer
    x = 75,358.86

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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.