Home / 102,189.80-141,034.98-57,477.48

Finding the Fourth Proportional to 102,189.80, 141,034.98 and 57,477.48

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Solution

The fourth proportional to 102,189.80, 141,034.98 and 57,477.48 is: 79,326.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,189.80 : 141,034.98 = 57,477.48 : x
  2. Step 2: Convert to fraction form
    102,189.80/141,034.98 = 57,477.48/x
  3. Step 3: Cross multiply
    102,189.80x = 141,034.98 × 57,477.48
  4. Step 4: Simplify right side
    102,189.80x = 8,106,335,242.25
  5. Step 5: Solve for x
    x = 8,106,335,242.25/102,189.80
  6. Step 6: Final answer
    x = 79,326.27

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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.