Home / 154,775.46-213,635.48-101,068.81

Finding the Fourth Proportional to 154,775.46, 213,635.48 and 101,068.81

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Solution

The fourth proportional to 154,775.46, 213,635.48 and 101,068.81 is: 139,504.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,775.46 : 213,635.48 = 101,068.81 : x
  2. Step 2: Convert to fraction form
    154,775.46/213,635.48 = 101,068.81/x
  3. Step 3: Cross multiply
    154,775.46x = 213,635.48 × 101,068.81
  4. Step 4: Simplify right side
    154,775.46x = 21,591,883,990.05
  5. Step 5: Solve for x
    x = 21,591,883,990.05/154,775.46
  6. Step 6: Final answer
    x = 139,504.57

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1.5x scale

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.