Home / 108,973.57-150,450.62-86,403.73

Finding the Fourth Proportional to 108,973.57, 150,450.62 and 86,403.73

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Solution

The fourth proportional to 108,973.57, 150,450.62 and 86,403.73 is: 119,290.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,973.57 : 150,450.62 = 86,403.73 : x
  2. Step 2: Convert to fraction form
    108,973.57/150,450.62 = 86,403.73/x
  3. Step 3: Cross multiply
    108,973.57x = 150,450.62 × 86,403.73
  4. Step 4: Simplify right side
    108,973.57x = 12,999,494,990.88
  5. Step 5: Solve for x
    x = 12,999,494,990.88/108,973.57
  6. Step 6: Final answer
    x = 119,290.35

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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.