Home / 134,799.23-186,021.64-74,370.36

Finding the Fourth Proportional to 134,799.23, 186,021.64 and 74,370.36

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Solution

The fourth proportional to 134,799.23, 186,021.64 and 74,370.36 is: 102,630.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,799.23 : 186,021.64 = 74,370.36 : x
  2. Step 2: Convert to fraction form
    134,799.23/186,021.64 = 74,370.36/x
  3. Step 3: Cross multiply
    134,799.23x = 186,021.64 × 74,370.36
  4. Step 4: Simplify right side
    134,799.23x = 13,834,496,334.59
  5. Step 5: Solve for x
    x = 13,834,496,334.59/134,799.23
  6. Step 6: Final answer
    x = 102,630.38

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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.