Home / 112,312.82-168,468.55-28,072.56

Finding the Fourth Proportional to 112,312.82, 168,468.55 and 28,072.56

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Solution

The fourth proportional to 112,312.82, 168,468.55 and 28,072.56 is: 42,108.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,312.82 : 168,468.55 = 28,072.56 : x
  2. Step 2: Convert to fraction form
    112,312.82/168,468.55 = 28,072.56/x
  3. Step 3: Cross multiply
    112,312.82x = 168,468.55 × 28,072.56
  4. Step 4: Simplify right side
    112,312.82x = 4,729,343,477.99
  5. Step 5: Solve for x
    x = 4,729,343,477.99/112,312.82
  6. Step 6: Final answer
    x = 42,108.67

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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.