Home / 112,313.07-154,990.85-61,325.64

Finding the Fourth Proportional to 112,313.07, 154,990.85 and 61,325.64

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Solution

The fourth proportional to 112,313.07, 154,990.85 and 61,325.64 is: 84,628.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,313.07 : 154,990.85 = 61,325.64 : x
  2. Step 2: Convert to fraction form
    112,313.07/154,990.85 = 61,325.64/x
  3. Step 3: Cross multiply
    112,313.07x = 154,990.85 × 61,325.64
  4. Step 4: Simplify right side
    112,313.07x = 9,504,912,763.77
  5. Step 5: Solve for x
    x = 9,504,912,763.77/112,313.07
  6. Step 6: Final answer
    x = 84,628.73

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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.