Home / 122,904.38-184,356.57-70,276.95

Finding the Fourth Proportional to 122,904.38, 184,356.57 and 70,276.95

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Solution

The fourth proportional to 122,904.38, 184,356.57 and 70,276.95 is: 105,415.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,904.38 : 184,356.57 = 70,276.95 : x
  2. Step 2: Convert to fraction form
    122,904.38/184,356.57 = 70,276.95/x
  3. Step 3: Cross multiply
    122,904.38x = 184,356.57 × 70,276.95
  4. Step 4: Simplify right side
    122,904.38x = 12,956,017,452.06
  5. Step 5: Solve for x
    x = 12,956,017,452.06/122,904.38
  6. Step 6: Final answer
    x = 105,415.43

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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.