Home / 147,969.99-204,150.38-90,549.39

Finding the Fourth Proportional to 147,969.99, 204,150.38 and 90,549.39

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Solution

The fourth proportional to 147,969.99, 204,150.38 and 90,549.39 is: 124,928.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,969.99 : 204,150.38 = 90,549.39 : x
  2. Step 2: Convert to fraction form
    147,969.99/204,150.38 = 90,549.39/x
  3. Step 3: Cross multiply
    147,969.99x = 204,150.38 × 90,549.39
  4. Step 4: Simplify right side
    147,969.99x = 18,485,692,690.09
  5. Step 5: Solve for x
    x = 18,485,692,690.09/147,969.99
  6. Step 6: Final answer
    x = 124,928.66

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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.