Home / 112,076.37-154,652.90-66,748.05

Finding the Fourth Proportional to 112,076.37, 154,652.90 and 66,748.05

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Solution

The fourth proportional to 112,076.37, 154,652.90 and 66,748.05 is: 92,104.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,076.37 : 154,652.90 = 66,748.05 : x
  2. Step 2: Convert to fraction form
    112,076.37/154,652.90 = 66,748.05/x
  3. Step 3: Cross multiply
    112,076.37x = 154,652.90 × 66,748.05
  4. Step 4: Simplify right side
    112,076.37x = 10,322,779,168.10
  5. Step 5: Solve for x
    x = 10,322,779,168.10/112,076.37
  6. Step 6: Final answer
    x = 92,104.87

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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.