Home / 108,028.72-149,079.36-60,281.56

Finding the Fourth Proportional to 108,028.72, 149,079.36 and 60,281.56

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Solution

The fourth proportional to 108,028.72, 149,079.36 and 60,281.56 is: 83,188.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,028.72 : 149,079.36 = 60,281.56 : x
  2. Step 2: Convert to fraction form
    108,028.72/149,079.36 = 60,281.56/x
  3. Step 3: Cross multiply
    108,028.72x = 149,079.36 × 60,281.56
  4. Step 4: Simplify right side
    108,028.72x = 8,986,736,384.60
  5. Step 5: Solve for x
    x = 8,986,736,384.60/108,028.72
  6. Step 6: Final answer
    x = 83,188.40

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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.