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Finding the Fourth Proportional to 75,459.98, 113,189.56 and 19,300.01

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Solution

The fourth proportional to 75,459.98, 113,189.56 and 19,300.01 is: 28,949.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,459.98 : 113,189.56 = 19,300.01 : x
  2. Step 2: Convert to fraction form
    75,459.98/113,189.56 = 19,300.01/x
  3. Step 3: Cross multiply
    75,459.98x = 113,189.56 × 19,300.01
  4. Step 4: Simplify right side
    75,459.98x = 2,184,559,025.70
  5. Step 5: Solve for x
    x = 2,184,559,025.70/75,459.98
  6. Step 6: Final answer
    x = 28,949.90

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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.