Home / 184,438.20-276,657.30-90,931.80

Finding the Fourth Proportional to 184,438.20, 276,657.30 and 90,931.80

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Solution

The fourth proportional to 184,438.20, 276,657.30 and 90,931.80 is: 136,397.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,438.20 : 276,657.30 = 90,931.80 : x
  2. Step 2: Convert to fraction form
    184,438.20/276,657.30 = 90,931.80/x
  3. Step 3: Cross multiply
    184,438.20x = 276,657.30 × 90,931.80
  4. Step 4: Simplify right side
    184,438.20x = 25,156,946,272.14
  5. Step 5: Solve for x
    x = 25,156,946,272.14/184,438.20
  6. Step 6: Final answer
    x = 136,397.70

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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.