Home / 108,329.71-149,532.58-74,450.35

Finding the Fourth Proportional to 108,329.71, 149,532.58 and 74,450.35

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Solution

The fourth proportional to 108,329.71, 149,532.58 and 74,450.35 is: 102,767.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,329.71 : 149,532.58 = 74,450.35 : x
  2. Step 2: Convert to fraction form
    108,329.71/149,532.58 = 74,450.35/x
  3. Step 3: Cross multiply
    108,329.71x = 149,532.58 × 74,450.35
  4. Step 4: Simplify right side
    108,329.71x = 11,132,751,937.48
  5. Step 5: Solve for x
    x = 11,132,751,937.48/108,329.71
  6. Step 6: Final answer
    x = 102,767.30

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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.