Home / 154,352.24-213,039.18-93,942.34

Finding the Fourth Proportional to 154,352.24, 213,039.18 and 93,942.34

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Solution

The fourth proportional to 154,352.24, 213,039.18 and 93,942.34 is: 129,660.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,352.24 : 213,039.18 = 93,942.34 : x
  2. Step 2: Convert to fraction form
    154,352.24/213,039.18 = 93,942.34/x
  3. Step 3: Cross multiply
    154,352.24x = 213,039.18 × 93,942.34
  4. Step 4: Simplify right side
    154,352.24x = 20,013,399,080.88
  5. Step 5: Solve for x
    x = 20,013,399,080.88/154,352.24
  6. Step 6: Final answer
    x = 129,660.57

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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.