Home / 108,621.22-149,903.20-60,889.90

Finding the Fourth Proportional to 108,621.22, 149,903.20 and 60,889.90

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Solution

The fourth proportional to 108,621.22, 149,903.20 and 60,889.90 is: 84,031.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,621.22 : 149,903.20 = 60,889.90 : x
  2. Step 2: Convert to fraction form
    108,621.22/149,903.20 = 60,889.90/x
  3. Step 3: Cross multiply
    108,621.22x = 149,903.20 × 60,889.90
  4. Step 4: Simplify right side
    108,621.22x = 9,127,590,857.68
  5. Step 5: Solve for x
    x = 9,127,590,857.68/108,621.22
  6. Step 6: Final answer
    x = 84,031.38

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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.