Home / 154,417.44-231,660.16-87,888.88

Finding the Fourth Proportional to 154,417.44, 231,660.16 and 87,888.88

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Solution

The fourth proportional to 154,417.44, 231,660.16 and 87,888.88 is: 131,852.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,417.44 : 231,660.16 = 87,888.88 : x
  2. Step 2: Convert to fraction form
    154,417.44/231,660.16 = 87,888.88/x
  3. Step 3: Cross multiply
    154,417.44x = 231,660.16 × 87,888.88
  4. Step 4: Simplify right side
    154,417.44x = 20,360,352,003.02
  5. Step 5: Solve for x
    x = 20,360,352,003.02/154,417.44
  6. Step 6: Final answer
    x = 131,852.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.