Home / 134,848.08-186,106.92-81,161.04

Finding the Fourth Proportional to 134,848.08, 186,106.92 and 81,161.04

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Solution

The fourth proportional to 134,848.08, 186,106.92 and 81,161.04 is: 112,012.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,848.08 : 186,106.92 = 81,161.04 : x
  2. Step 2: Convert to fraction form
    134,848.08/186,106.92 = 81,161.04/x
  3. Step 3: Cross multiply
    134,848.08x = 186,106.92 × 81,161.04
  4. Step 4: Simplify right side
    134,848.08x = 15,104,631,178.40
  5. Step 5: Solve for x
    x = 15,104,631,178.40/134,848.08
  6. Step 6: Final answer
    x = 112,012.21

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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.