Home / 122,284.16-183,426.24-80,721.44

Finding the Fourth Proportional to 122,284.16, 183,426.24 and 80,721.44

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Solution

The fourth proportional to 122,284.16, 183,426.24 and 80,721.44 is: 121,082.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,284.16 : 183,426.24 = 80,721.44 : x
  2. Step 2: Convert to fraction form
    122,284.16/183,426.24 = 80,721.44/x
  3. Step 3: Cross multiply
    122,284.16x = 183,426.24 × 80,721.44
  4. Step 4: Simplify right side
    122,284.16x = 14,806,430,226.59
  5. Step 5: Solve for x
    x = 14,806,430,226.59/122,284.16
  6. Step 6: Final answer
    x = 121,082.16

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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.