Home / 122,171.94-183,130.02-51,135.30

Finding the Fourth Proportional to 122,171.94, 183,130.02 and 51,135.30

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Solution

The fourth proportional to 122,171.94, 183,130.02 and 51,135.30 is: 76,649.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,171.94 : 183,130.02 = 51,135.30 : x
  2. Step 2: Convert to fraction form
    122,171.94/183,130.02 = 51,135.30/x
  3. Step 3: Cross multiply
    122,171.94x = 183,130.02 × 51,135.30
  4. Step 4: Simplify right side
    122,171.94x = 9,364,408,511.71
  5. Step 5: Solve for x
    x = 9,364,408,511.71/122,171.94
  6. Step 6: Final answer
    x = 76,649.42

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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.