Home / 108,948.15-150,366.32-90,770.08

Finding the Fourth Proportional to 108,948.15, 150,366.32 and 90,770.08

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Solution

The fourth proportional to 108,948.15, 150,366.32 and 90,770.08 is: 125,277.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,948.15 : 150,366.32 = 90,770.08 : x
  2. Step 2: Convert to fraction form
    108,948.15/150,366.32 = 90,770.08/x
  3. Step 3: Cross multiply
    108,948.15x = 150,366.32 × 90,770.08
  4. Step 4: Simplify right side
    108,948.15x = 13,648,762,065.94
  5. Step 5: Solve for x
    x = 13,648,762,065.94/108,948.15
  6. Step 6: Final answer
    x = 125,277.59

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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.