Home / 112,165.78-167,853.69-70,065.67

Finding the Fourth Proportional to 112,165.78, 167,853.69 and 70,065.67

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Solution

The fourth proportional to 112,165.78, 167,853.69 and 70,065.67 is: 104,851.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,165.78 : 167,853.69 = 70,065.67 : x
  2. Step 2: Convert to fraction form
    112,165.78/167,853.69 = 70,065.67/x
  3. Step 3: Cross multiply
    112,165.78x = 167,853.69 × 70,065.67
  4. Step 4: Simplify right side
    112,165.78x = 11,760,781,251.82
  5. Step 5: Solve for x
    x = 11,760,781,251.82/112,165.78
  6. Step 6: Final answer
    x = 104,851.78

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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.