Home / 147,980.12-204,164.35-90,559.52

Finding the Fourth Proportional to 147,980.12, 204,164.35 and 90,559.52

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Solution

The fourth proportional to 147,980.12, 204,164.35 and 90,559.52 is: 124,942.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,980.12 : 204,164.35 = 90,559.52 : x
  2. Step 2: Convert to fraction form
    147,980.12/204,164.35 = 90,559.52/x
  3. Step 3: Cross multiply
    147,980.12x = 204,164.35 × 90,559.52
  4. Step 4: Simplify right side
    147,980.12x = 18,489,025,055.51
  5. Step 5: Solve for x
    x = 18,489,025,055.51/147,980.12
  6. Step 6: Final answer
    x = 124,942.63

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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.