Home / 137,928.36-206,892.26-38,088.28

Finding the Fourth Proportional to 137,928.36, 206,892.26 and 38,088.28

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Solution

The fourth proportional to 137,928.36, 206,892.26 and 38,088.28 is: 57,132.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,928.36 : 206,892.26 = 38,088.28 : x
  2. Step 2: Convert to fraction form
    137,928.36/206,892.26 = 38,088.28/x
  3. Step 3: Cross multiply
    137,928.36x = 206,892.26 × 38,088.28
  4. Step 4: Simplify right side
    137,928.36x = 7,880,169,536.63
  5. Step 5: Solve for x
    x = 7,880,169,536.63/137,928.36
  6. Step 6: Final answer
    x = 57,132.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.