Home / 76,263.90-114,402.48-20,103.63

Finding the Fourth Proportional to 76,263.90, 114,402.48 and 20,103.63

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Solution

The fourth proportional to 76,263.90, 114,402.48 and 20,103.63 is: 30,157.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,263.90 : 114,402.48 = 20,103.63 : x
  2. Step 2: Convert to fraction form
    76,263.90/114,402.48 = 20,103.63/x
  3. Step 3: Cross multiply
    76,263.90x = 114,402.48 × 20,103.63
  4. Step 4: Simplify right side
    76,263.90x = 2,299,905,129.00
  5. Step 5: Solve for x
    x = 2,299,905,129.00/76,263.90
  6. Step 6: Final answer
    x = 30,157.19

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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.