Home / 134,903.24-186,166.74-74,473.96

Finding the Fourth Proportional to 134,903.24, 186,166.74 and 74,473.96

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Solution

The fourth proportional to 134,903.24, 186,166.74 and 74,473.96 is: 102,774.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,903.24 : 186,166.74 = 74,473.96 : x
  2. Step 2: Convert to fraction form
    134,903.24/186,166.74 = 74,473.96/x
  3. Step 3: Cross multiply
    134,903.24x = 186,166.74 × 74,473.96
  4. Step 4: Simplify right side
    134,903.24x = 13,864,574,348.09
  5. Step 5: Solve for x
    x = 13,864,574,348.09/134,903.24
  6. Step 6: Final answer
    x = 102,774.22

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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.