Home / 103,521.19-142,858.37-58,199.37

Finding the Fourth Proportional to 103,521.19, 142,858.37 and 58,199.37

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Solution

The fourth proportional to 103,521.19, 142,858.37 and 58,199.37 is: 80,314.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,521.19 : 142,858.37 = 58,199.37 : x
  2. Step 2: Convert to fraction form
    103,521.19/142,858.37 = 58,199.37/x
  3. Step 3: Cross multiply
    103,521.19x = 142,858.37 × 58,199.37
  4. Step 4: Simplify right side
    103,521.19x = 8,314,266,418.94
  5. Step 5: Solve for x
    x = 8,314,266,418.94/103,521.19
  6. Step 6: Final answer
    x = 80,314.64

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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.