Home / 108,130.01-149,213.23-64,571.72

Finding the Fourth Proportional to 108,130.01, 149,213.23 and 64,571.72

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Solution

The fourth proportional to 108,130.01, 149,213.23 and 64,571.72 is: 89,105.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,130.01 : 149,213.23 = 64,571.72 : x
  2. Step 2: Convert to fraction form
    108,130.01/149,213.23 = 64,571.72/x
  3. Step 3: Cross multiply
    108,130.01x = 149,213.23 × 64,571.72
  4. Step 4: Simplify right side
    108,130.01x = 9,634,954,000.36
  5. Step 5: Solve for x
    x = 9,634,954,000.36/108,130.01
  6. Step 6: Final answer
    x = 89,105.28

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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.