Home / 134,579.84-185,717.75-74,156.06

Finding the Fourth Proportional to 134,579.84, 185,717.75 and 74,156.06

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Solution

The fourth proportional to 134,579.84, 185,717.75 and 74,156.06 is: 102,334.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,579.84 : 185,717.75 = 74,156.06 : x
  2. Step 2: Convert to fraction form
    134,579.84/185,717.75 = 74,156.06/x
  3. Step 3: Cross multiply
    134,579.84x = 185,717.75 × 74,156.06
  4. Step 4: Simplify right side
    134,579.84x = 13,772,096,705.58
  5. Step 5: Solve for x
    x = 13,772,096,705.58/134,579.84
  6. Step 6: Final answer
    x = 102,334.03

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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.