Home / 122,052.02-168,432.21-68,339.38

Finding the Fourth Proportional to 122,052.02, 168,432.21 and 68,339.38

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Solution

The fourth proportional to 122,052.02, 168,432.21 and 68,339.38 is: 94,308.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,052.02 : 168,432.21 = 68,339.38 : x
  2. Step 2: Convert to fraction form
    122,052.02/168,432.21 = 68,339.38/x
  3. Step 3: Cross multiply
    122,052.02x = 168,432.21 × 68,339.38
  4. Step 4: Simplify right side
    122,052.02x = 11,510,552,803.43
  5. Step 5: Solve for x
    x = 11,510,552,803.43/122,052.02
  6. Step 6: Final answer
    x = 94,308.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.