Home / 134,961.60-186,237.63-74,531.72

Finding the Fourth Proportional to 134,961.60, 186,237.63 and 74,531.72

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Solution

The fourth proportional to 134,961.60, 186,237.63 and 74,531.72 is: 102,848.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,961.60 : 186,237.63 = 74,531.72 : x
  2. Step 2: Convert to fraction form
    134,961.60/186,237.63 = 74,531.72/x
  3. Step 3: Cross multiply
    134,961.60x = 186,237.63 × 74,531.72
  4. Step 4: Simplify right side
    134,961.60x = 13,880,610,892.62
  5. Step 5: Solve for x
    x = 13,880,610,892.62/134,961.60
  6. Step 6: Final answer
    x = 102,848.59

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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.