Home / 153,947.60-230,921.40-135,515.60

Finding the Fourth Proportional to 153,947.60, 230,921.40 and 135,515.60

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Solution

The fourth proportional to 153,947.60, 230,921.40 and 135,515.60 is: 203,273.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,947.60 : 230,921.40 = 135,515.60 : x
  2. Step 2: Convert to fraction form
    153,947.60/230,921.40 = 135,515.60/x
  3. Step 3: Cross multiply
    153,947.60x = 230,921.40 × 135,515.60
  4. Step 4: Simplify right side
    153,947.60x = 31,293,452,073.84
  5. Step 5: Solve for x
    x = 31,293,452,073.84/153,947.60
  6. Step 6: Final answer
    x = 203,273.40

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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.