Home / 137,427.96-206,166.36-70,850.28

Finding the Fourth Proportional to 137,427.96, 206,166.36 and 70,850.28

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Solution

The fourth proportional to 137,427.96, 206,166.36 and 70,850.28 is: 106,288.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,427.96 : 206,166.36 = 70,850.28 : x
  2. Step 2: Convert to fraction form
    137,427.96/206,166.36 = 70,850.28/x
  3. Step 3: Cross multiply
    137,427.96x = 206,166.36 × 70,850.28
  4. Step 4: Simplify right side
    137,427.96x = 14,606,944,332.58
  5. Step 5: Solve for x
    x = 14,606,944,332.58/137,427.96
  6. Step 6: Final answer
    x = 106,288.01

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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.