Home / 136,945.60-205,434.40-43,460.80

Finding the Fourth Proportional to 136,945.60, 205,434.40 and 43,460.80

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Solution

The fourth proportional to 136,945.60, 205,434.40 and 43,460.80 is: 65,196.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,945.60 : 205,434.40 = 43,460.80 : x
  2. Step 2: Convert to fraction form
    136,945.60/205,434.40 = 43,460.80/x
  3. Step 3: Cross multiply
    136,945.60x = 205,434.40 × 43,460.80
  4. Step 4: Simplify right side
    136,945.60x = 8,928,343,371.52
  5. Step 5: Solve for x
    x = 8,928,343,371.52/136,945.60
  6. Step 6: Final answer
    x = 65,196.28

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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.