Home / 112,052.67-154,632.69-61,751.67

Finding the Fourth Proportional to 112,052.67, 154,632.69 and 61,751.67

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Solution

The fourth proportional to 112,052.67, 154,632.69 and 61,751.67 is: 85,217.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,052.67 : 154,632.69 = 61,751.67 : x
  2. Step 2: Convert to fraction form
    112,052.67/154,632.69 = 61,751.67/x
  3. Step 3: Cross multiply
    112,052.67x = 154,632.69 × 61,751.67
  4. Step 4: Simplify right side
    112,052.67x = 9,548,827,230.67
  5. Step 5: Solve for x
    x = 9,548,827,230.67/112,052.67
  6. Step 6: Final answer
    x = 85,217.31

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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.