Home / 154,817.58-213,693.63-101,110.95

Finding the Fourth Proportional to 154,817.58, 213,693.63 and 101,110.95

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Solution

The fourth proportional to 154,817.58, 213,693.63 and 101,110.95 is: 139,562.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,817.58 : 213,693.63 = 101,110.95 : x
  2. Step 2: Convert to fraction form
    154,817.58/213,693.63 = 101,110.95/x
  3. Step 3: Cross multiply
    154,817.58x = 213,693.63 × 101,110.95
  4. Step 4: Simplify right side
    154,817.58x = 21,606,765,938.25
  5. Step 5: Solve for x
    x = 21,606,765,938.25/154,817.58
  6. Step 6: Final answer
    x = 139,562.74

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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.