Home / 134,917.71-186,182.74-74,487.26

Finding the Fourth Proportional to 134,917.71, 186,182.74 and 74,487.26

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Solution

The fourth proportional to 134,917.71, 186,182.74 and 74,487.26 is: 102,790.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,917.71 : 186,182.74 = 74,487.26 : x
  2. Step 2: Convert to fraction form
    134,917.71/186,182.74 = 74,487.26/x
  3. Step 3: Cross multiply
    134,917.71x = 186,182.74 × 74,487.26
  4. Step 4: Simplify right side
    134,917.71x = 13,868,242,161.89
  5. Step 5: Solve for x
    x = 13,868,242,161.89/134,917.71
  6. Step 6: Final answer
    x = 102,790.38

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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.