Home / 149,218.20-223,866.90-64,942.20

Finding the Fourth Proportional to 149,218.20, 223,866.90 and 64,942.20

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Solution

The fourth proportional to 149,218.20, 223,866.90 and 64,942.20 is: 97,430.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,218.20 : 223,866.90 = 64,942.20 : x
  2. Step 2: Convert to fraction form
    149,218.20/223,866.90 = 64,942.20/x
  3. Step 3: Cross multiply
    149,218.20x = 223,866.90 × 64,942.20
  4. Step 4: Simplify right side
    149,218.20x = 14,538,408,993.18
  5. Step 5: Solve for x
    x = 14,538,408,993.18/149,218.20
  6. Step 6: Final answer
    x = 97,430.53

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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.