Home / 108,271.16-149,410.56-76,052.44

Finding the Fourth Proportional to 108,271.16, 149,410.56 and 76,052.44

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Solution

The fourth proportional to 108,271.16, 149,410.56 and 76,052.44 is: 104,949.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,271.16 : 149,410.56 = 76,052.44 : x
  2. Step 2: Convert to fraction form
    108,271.16/149,410.56 = 76,052.44/x
  3. Step 3: Cross multiply
    108,271.16x = 149,410.56 × 76,052.44
  4. Step 4: Simplify right side
    108,271.16x = 11,363,037,649.77
  5. Step 5: Solve for x
    x = 11,363,037,649.77/108,271.16
  6. Step 6: Final answer
    x = 104,949.81

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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.