Home / 112,020.21-154,586.67-64,281.03

Finding the Fourth Proportional to 112,020.21, 154,586.67 and 64,281.03

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Solution

The fourth proportional to 112,020.21, 154,586.67 and 64,281.03 is: 88,707.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,020.21 : 154,586.67 = 64,281.03 : x
  2. Step 2: Convert to fraction form
    112,020.21/154,586.67 = 64,281.03/x
  3. Step 3: Cross multiply
    112,020.21x = 154,586.67 × 64,281.03
  4. Step 4: Simplify right side
    112,020.21x = 9,936,990,371.87
  5. Step 5: Solve for x
    x = 9,936,990,371.87/112,020.21
  6. Step 6: Final answer
    x = 88,707.12

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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.