Home / 108,950.67-163,430.06-30,070.85

Finding the Fourth Proportional to 108,950.67, 163,430.06 and 30,070.85

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Solution

The fourth proportional to 108,950.67, 163,430.06 and 30,070.85 is: 45,107.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,950.67 : 163,430.06 = 30,070.85 : x
  2. Step 2: Convert to fraction form
    108,950.67/163,430.06 = 30,070.85/x
  3. Step 3: Cross multiply
    108,950.67x = 163,430.06 × 30,070.85
  4. Step 4: Simplify right side
    108,950.67x = 4,914,479,852.25
  5. Step 5: Solve for x
    x = 4,914,479,852.25/108,950.67
  6. Step 6: Final answer
    x = 45,107.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.