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Finding the Fourth Proportional to 144,353.16, 199,208.16 and 80,693.64

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Solution

The fourth proportional to 144,353.16, 199,208.16 and 80,693.64 is: 111,357.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,353.16 : 199,208.16 = 80,693.64 : x
  2. Step 2: Convert to fraction form
    144,353.16/199,208.16 = 80,693.64/x
  3. Step 3: Cross multiply
    144,353.16x = 199,208.16 × 80,693.64
  4. Step 4: Simplify right side
    144,353.16x = 16,074,831,548.10
  5. Step 5: Solve for x
    x = 16,074,831,548.10/144,353.16
  6. Step 6: Final answer
    x = 111,357.67

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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.