Home / 136,927.32-205,012.26-70,223.64

Finding the Fourth Proportional to 136,927.32, 205,012.26 and 70,223.64

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Solution

The fourth proportional to 136,927.32, 205,012.26 and 70,223.64 is: 105,141.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,927.32 : 205,012.26 = 70,223.64 : x
  2. Step 2: Convert to fraction form
    136,927.32/205,012.26 = 70,223.64/x
  3. Step 3: Cross multiply
    136,927.32x = 205,012.26 × 70,223.64
  4. Step 4: Simplify right side
    136,927.32x = 14,396,707,141.83
  5. Step 5: Solve for x
    x = 14,396,707,141.83/136,927.32
  6. Step 6: Final answer
    x = 105,141.23

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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.