Home / 108,151.24-149,166.42-93,069.28

Finding the Fourth Proportional to 108,151.24, 149,166.42 and 93,069.28

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Solution

The fourth proportional to 108,151.24, 149,166.42 and 93,069.28 is: 128,364.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,151.24 : 149,166.42 = 93,069.28 : x
  2. Step 2: Convert to fraction form
    108,151.24/149,166.42 = 93,069.28/x
  3. Step 3: Cross multiply
    108,151.24x = 149,166.42 × 93,069.28
  4. Step 4: Simplify right side
    108,151.24x = 13,882,811,309.58
  5. Step 5: Solve for x
    x = 13,882,811,309.58/108,151.24
  6. Step 6: Final answer
    x = 128,364.79

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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.