Home / 154,761.03-213,615.81-101,054.34

Finding the Fourth Proportional to 154,761.03, 213,615.81 and 101,054.34

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Solution

The fourth proportional to 154,761.03, 213,615.81 and 101,054.34 is: 139,484.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,761.03 : 213,615.81 = 101,054.34 : x
  2. Step 2: Convert to fraction form
    154,761.03/213,615.81 = 101,054.34/x
  3. Step 3: Cross multiply
    154,761.03x = 213,615.81 × 101,054.34
  4. Step 4: Simplify right side
    154,761.03x = 21,586,804,693.12
  5. Step 5: Solve for x
    x = 21,586,804,693.12/154,761.03
  6. Step 6: Final answer
    x = 139,484.76

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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.