Home / 123,722.04-185,676.35-90,527.74

Finding the Fourth Proportional to 123,722.04, 185,676.35 and 90,527.74

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Solution

The fourth proportional to 123,722.04, 185,676.35 and 90,527.74 is: 135,859.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,722.04 : 185,676.35 = 90,527.74 : x
  2. Step 2: Convert to fraction form
    123,722.04/185,676.35 = 90,527.74/x
  3. Step 3: Cross multiply
    123,722.04x = 185,676.35 × 90,527.74
  4. Step 4: Simplify right side
    123,722.04x = 16,808,860,336.95
  5. Step 5: Solve for x
    x = 16,808,860,336.95/123,722.04
  6. Step 6: Final answer
    x = 135,859.87

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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.