Home / 134,847.05-186,088.56-74,417.27

Finding the Fourth Proportional to 134,847.05, 186,088.56 and 74,417.27

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Solution

The fourth proportional to 134,847.05, 186,088.56 and 74,417.27 is: 102,695.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,847.05 : 186,088.56 = 74,417.27 : x
  2. Step 2: Convert to fraction form
    134,847.05/186,088.56 = 74,417.27/x
  3. Step 3: Cross multiply
    134,847.05x = 186,088.56 × 74,417.27
  4. Step 4: Simplify right side
    134,847.05x = 13,848,201,403.92
  5. Step 5: Solve for x
    x = 13,848,201,403.92/134,847.05
  6. Step 6: Final answer
    x = 102,695.62

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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.