Home / 100,965.30-151,446.60-30,844.95

Finding the Fourth Proportional to 100,965.30, 151,446.60 and 30,844.95

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Solution

The fourth proportional to 100,965.30, 151,446.60 and 30,844.95 is: 46,267.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,965.30 : 151,446.60 = 30,844.95 : x
  2. Step 2: Convert to fraction form
    100,965.30/151,446.60 = 30,844.95/x
  3. Step 3: Cross multiply
    100,965.30x = 151,446.60 × 30,844.95
  4. Step 4: Simplify right side
    100,965.30x = 4,671,362,804.67
  5. Step 5: Solve for x
    x = 4,671,362,804.67/100,965.30
  6. Step 6: Final answer
    x = 46,267.01

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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.