Home / 147,130.26-203,033.64-83,480.10

Finding the Fourth Proportional to 147,130.26, 203,033.64 and 83,480.10

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Solution

The fourth proportional to 147,130.26, 203,033.64 and 83,480.10 is: 115,199.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,130.26 : 203,033.64 = 83,480.10 : x
  2. Step 2: Convert to fraction form
    147,130.26/203,033.64 = 83,480.10/x
  3. Step 3: Cross multiply
    147,130.26x = 203,033.64 × 83,480.10
  4. Step 4: Simplify right side
    147,130.26x = 16,949,268,570.56
  5. Step 5: Solve for x
    x = 16,949,268,570.56/147,130.26
  6. Step 6: Final answer
    x = 115,199.07

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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.