Home / 122,453.15-183,504.47-69,753.74

Finding the Fourth Proportional to 122,453.15, 183,504.47 and 69,753.74

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Solution

The fourth proportional to 122,453.15, 183,504.47 and 69,753.74 is: 104,530.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,453.15 : 183,504.47 = 69,753.74 : x
  2. Step 2: Convert to fraction form
    122,453.15/183,504.47 = 69,753.74/x
  3. Step 3: Cross multiply
    122,453.15x = 183,504.47 × 69,753.74
  4. Step 4: Simplify right side
    122,453.15x = 12,800,121,822.93
  5. Step 5: Solve for x
    x = 12,800,121,822.93/122,453.15
  6. Step 6: Final answer
    x = 104,530.77

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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.