Home / 147,416.36-203,376.84-90,729.32

Finding the Fourth Proportional to 147,416.36, 203,376.84 and 90,729.32

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Solution

The fourth proportional to 147,416.36, 203,376.84 and 90,729.32 is: 125,170.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,416.36 : 203,376.84 = 90,729.32 : x
  2. Step 2: Convert to fraction form
    147,416.36/203,376.84 = 90,729.32/x
  3. Step 3: Cross multiply
    147,416.36x = 203,376.84 × 90,729.32
  4. Step 4: Simplify right side
    147,416.36x = 18,452,242,396.95
  5. Step 5: Solve for x
    x = 18,452,242,396.95/147,416.36
  6. Step 6: Final answer
    x = 125,170.93

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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.