Home / 103,697.01-155,419.16-53,749.58

Finding the Fourth Proportional to 103,697.01, 155,419.16 and 53,749.58

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Solution

The fourth proportional to 103,697.01, 155,419.16 and 53,749.58 is: 80,558.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,697.01 : 155,419.16 = 53,749.58 : x
  2. Step 2: Convert to fraction form
    103,697.01/155,419.16 = 53,749.58/x
  3. Step 3: Cross multiply
    103,697.01x = 155,419.16 × 53,749.58
  4. Step 4: Simplify right side
    103,697.01x = 8,353,713,528.11
  5. Step 5: Solve for x
    x = 8,353,713,528.11/103,697.01
  6. Step 6: Final answer
    x = 80,558.87

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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.