Home / 112,261.49-168,391.92-45,685.86

Finding the Fourth Proportional to 112,261.49, 168,391.92 and 45,685.86

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Solution

The fourth proportional to 112,261.49, 168,391.92 and 45,685.86 is: 68,528.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,261.49 : 168,391.92 = 45,685.86 : x
  2. Step 2: Convert to fraction form
    112,261.49/168,391.92 = 45,685.86/x
  3. Step 3: Cross multiply
    112,261.49x = 168,391.92 × 45,685.86
  4. Step 4: Simplify right side
    112,261.49x = 7,693,130,485.04
  5. Step 5: Solve for x
    x = 7,693,130,485.04/112,261.49
  6. Step 6: Final answer
    x = 68,528.67

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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.