Home / 134,886.37-186,143.22-74,457.05

Finding the Fourth Proportional to 134,886.37, 186,143.22 and 74,457.05

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Solution

The fourth proportional to 134,886.37, 186,143.22 and 74,457.05 is: 102,750.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,886.37 : 186,143.22 = 74,457.05 : x
  2. Step 2: Convert to fraction form
    134,886.37/186,143.22 = 74,457.05/x
  3. Step 3: Cross multiply
    134,886.37x = 186,143.22 × 74,457.05
  4. Step 4: Simplify right side
    134,886.37x = 13,859,673,735.70
  5. Step 5: Solve for x
    x = 13,859,673,735.70/134,886.37
  6. Step 6: Final answer
    x = 102,750.74

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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.