Home / 149,870.60-224,741.10-74,961.80

Finding the Fourth Proportional to 149,870.60, 224,741.10 and 74,961.80

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Solution

The fourth proportional to 149,870.60, 224,741.10 and 74,961.80 is: 112,410.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,870.60 : 224,741.10 = 74,961.80 : x
  2. Step 2: Convert to fraction form
    149,870.60/224,741.10 = 74,961.80/x
  3. Step 3: Cross multiply
    149,870.60x = 224,741.10 × 74,961.80
  4. Step 4: Simplify right side
    149,870.60x = 16,846,997,389.98
  5. Step 5: Solve for x
    x = 16,846,997,389.98/149,870.60
  6. Step 6: Final answer
    x = 112,410.29

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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.