Home / 102,477.06-141,419.14-57,157.92

Finding the Fourth Proportional to 102,477.06, 141,419.14 and 57,157.92

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Solution

The fourth proportional to 102,477.06, 141,419.14 and 57,157.92 is: 78,878.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,477.06 : 141,419.14 = 57,157.92 : x
  2. Step 2: Convert to fraction form
    102,477.06/141,419.14 = 57,157.92/x
  3. Step 3: Cross multiply
    102,477.06x = 141,419.14 × 57,157.92
  4. Step 4: Simplify right side
    102,477.06x = 8,083,223,890.59
  5. Step 5: Solve for x
    x = 8,083,223,890.59/102,477.06
  6. Step 6: Final answer
    x = 78,878.37

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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.