Home / 149,662.08-224,532.04-74,779.20

Finding the Fourth Proportional to 149,662.08, 224,532.04 and 74,779.20

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Solution

The fourth proportional to 149,662.08, 224,532.04 and 74,779.20 is: 112,188.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,662.08 : 224,532.04 = 74,779.20 : x
  2. Step 2: Convert to fraction form
    149,662.08/224,532.04 = 74,779.20/x
  3. Step 3: Cross multiply
    149,662.08x = 224,532.04 × 74,779.20
  4. Step 4: Simplify right side
    149,662.08x = 16,790,326,325.57
  5. Step 5: Solve for x
    x = 16,790,326,325.57/149,662.08
  6. Step 6: Final answer
    x = 112,188.25

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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.