Home / 122,956.20-184,434.30-112,847.40

Finding the Fourth Proportional to 122,956.20, 184,434.30 and 112,847.40

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Solution

The fourth proportional to 122,956.20, 184,434.30 and 112,847.40 is: 169,271.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,956.20 : 184,434.30 = 112,847.40 : x
  2. Step 2: Convert to fraction form
    122,956.20/184,434.30 = 112,847.40/x
  3. Step 3: Cross multiply
    122,956.20x = 184,434.30 × 112,847.40
  4. Step 4: Simplify right side
    122,956.20x = 20,812,931,225.82
  5. Step 5: Solve for x
    x = 20,812,931,225.82/122,956.20
  6. Step 6: Final answer
    x = 169,271.10

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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.