Home / 149,826.40-224,739.60-90,631.60

Finding the Fourth Proportional to 149,826.40, 224,739.60 and 90,631.60

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Solution

The fourth proportional to 149,826.40, 224,739.60 and 90,631.60 is: 135,947.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,826.40 : 224,739.60 = 90,631.60 : x
  2. Step 2: Convert to fraction form
    149,826.40/224,739.60 = 90,631.60/x
  3. Step 3: Cross multiply
    149,826.40x = 224,739.60 × 90,631.60
  4. Step 4: Simplify right side
    149,826.40x = 20,368,509,531.36
  5. Step 5: Solve for x
    x = 20,368,509,531.36/149,826.40
  6. Step 6: Final answer
    x = 135,947.40

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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.