Home / 109,188.95-150,762.87-107,445.15

Finding the Fourth Proportional to 109,188.95, 150,762.87 and 107,445.15

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Solution

The fourth proportional to 109,188.95, 150,762.87 and 107,445.15 is: 148,355.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,188.95 : 150,762.87 = 107,445.15 : x
  2. Step 2: Convert to fraction form
    109,188.95/150,762.87 = 107,445.15/x
  3. Step 3: Cross multiply
    109,188.95x = 150,762.87 × 107,445.15
  4. Step 4: Simplify right side
    109,188.95x = 16,198,739,181.58
  5. Step 5: Solve for x
    x = 16,198,739,181.58/109,188.95
  6. Step 6: Final answer
    x = 148,355.12

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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.