Home / 164,037.42-226,389.87-103,605.12

Finding the Fourth Proportional to 164,037.42, 226,389.87 and 103,605.12

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Solution

The fourth proportional to 164,037.42, 226,389.87 and 103,605.12 is: 142,986.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,037.42 : 226,389.87 = 103,605.12 : x
  2. Step 2: Convert to fraction form
    164,037.42/226,389.87 = 103,605.12/x
  3. Step 3: Cross multiply
    164,037.42x = 226,389.87 × 103,605.12
  4. Step 4: Simplify right side
    164,037.42x = 23,455,149,648.13
  5. Step 5: Solve for x
    x = 23,455,149,648.13/164,037.42
  6. Step 6: Final answer
    x = 142,986.58

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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.