Home / 144,317.08-199,028.60-90,607.08

Finding the Fourth Proportional to 144,317.08, 199,028.60 and 90,607.08

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Solution

The fourth proportional to 144,317.08, 199,028.60 and 90,607.08 is: 124,956.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,317.08 : 199,028.60 = 90,607.08 : x
  2. Step 2: Convert to fraction form
    144,317.08/199,028.60 = 90,607.08/x
  3. Step 3: Cross multiply
    144,317.08x = 199,028.60 × 90,607.08
  4. Step 4: Simplify right side
    144,317.08x = 18,033,400,282.49
  5. Step 5: Solve for x
    x = 18,033,400,282.49/144,317.08
  6. Step 6: Final answer
    x = 124,956.80

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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.