Home / 103,131.36-154,707.84-43,973.28

Finding the Fourth Proportional to 103,131.36, 154,707.84 and 43,973.28

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Solution

The fourth proportional to 103,131.36, 154,707.84 and 43,973.28 is: 65,964.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,131.36 : 154,707.84 = 43,973.28 : x
  2. Step 2: Convert to fraction form
    103,131.36/154,707.84 = 43,973.28/x
  3. Step 3: Cross multiply
    103,131.36x = 154,707.84 × 43,973.28
  4. Step 4: Simplify right side
    103,131.36x = 6,803,011,166.52
  5. Step 5: Solve for x
    x = 6,803,011,166.52/103,131.36
  6. Step 6: Final answer
    x = 65,964.52

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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.