Home / 103,272.26-142,515.34-57,950.14

Finding the Fourth Proportional to 103,272.26, 142,515.34 and 57,950.14

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Solution

The fourth proportional to 103,272.26, 142,515.34 and 57,950.14 is: 79,970.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,272.26 : 142,515.34 = 57,950.14 : x
  2. Step 2: Convert to fraction form
    103,272.26/142,515.34 = 57,950.14/x
  3. Step 3: Cross multiply
    103,272.26x = 142,515.34 × 57,950.14
  4. Step 4: Simplify right side
    103,272.26x = 8,258,784,261.44
  5. Step 5: Solve for x
    x = 8,258,784,261.44/103,272.26
  6. Step 6: Final answer
    x = 79,970.98

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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.