Home / 147,203.26-203,167-86,770.32

Finding the Fourth Proportional to 147,203.26, 203,167 and 86,770.32

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Solution

The fourth proportional to 147,203.26, 203,167 and 86,770.32 is: 119,758.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,203.26 : 203,167 = 86,770.32 : x
  2. Step 2: Convert to fraction form
    147,203.26/203,167 = 86,770.32/x
  3. Step 3: Cross multiply
    147,203.26x = 203,167 × 86,770.32
  4. Step 4: Simplify right side
    147,203.26x = 17,628,865,603.44
  5. Step 5: Solve for x
    x = 17,628,865,603.44/147,203.26
  6. Step 6: Final answer
    x = 119,758.66

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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.