Home / 149,247.70-223,871.55-99,165.40

Finding the Fourth Proportional to 149,247.70, 223,871.55 and 99,165.40

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Solution

The fourth proportional to 149,247.70, 223,871.55 and 99,165.40 is: 148,748.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,247.70 : 223,871.55 = 99,165.40 : x
  2. Step 2: Convert to fraction form
    149,247.70/223,871.55 = 99,165.40/x
  3. Step 3: Cross multiply
    149,247.70x = 223,871.55 × 99,165.40
  4. Step 4: Simplify right side
    149,247.70x = 22,200,311,804.37
  5. Step 5: Solve for x
    x = 22,200,311,804.37/149,247.70
  6. Step 6: Final answer
    x = 148,748.10

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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.