Home / 103,301.64-142,544.52-57,970.26

Finding the Fourth Proportional to 103,301.64, 142,544.52 and 57,970.26

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Solution

The fourth proportional to 103,301.64, 142,544.52 and 57,970.26 is: 79,992.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,301.64 : 142,544.52 = 57,970.26 : x
  2. Step 2: Convert to fraction form
    103,301.64/142,544.52 = 57,970.26/x
  3. Step 3: Cross multiply
    103,301.64x = 142,544.52 × 57,970.26
  4. Step 4: Simplify right side
    103,301.64x = 8,263,342,885.98
  5. Step 5: Solve for x
    x = 8,263,342,885.98/103,301.64
  6. Step 6: Final answer
    x = 79,992.37

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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.