Home / 134,635.01-185,795.28-74,205.77

Finding the Fourth Proportional to 134,635.01, 185,795.28 and 74,205.77

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Solution

The fourth proportional to 134,635.01, 185,795.28 and 74,205.77 is: 102,403.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,635.01 : 185,795.28 = 74,205.77 : x
  2. Step 2: Convert to fraction form
    134,635.01/185,795.28 = 74,205.77/x
  3. Step 3: Cross multiply
    134,635.01x = 185,795.28 × 74,205.77
  4. Step 4: Simplify right side
    134,635.01x = 13,787,080,885.79
  5. Step 5: Solve for x
    x = 13,787,080,885.79/134,635.01
  6. Step 6: Final answer
    x = 102,403.39

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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.