Home / 153,945.60-230,918.40-134,899.20

Finding the Fourth Proportional to 153,945.60, 230,918.40 and 134,899.20

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Solution

The fourth proportional to 153,945.60, 230,918.40 and 134,899.20 is: 202,348.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,945.60 : 230,918.40 = 134,899.20 : x
  2. Step 2: Convert to fraction form
    153,945.60/230,918.40 = 134,899.20/x
  3. Step 3: Cross multiply
    153,945.60x = 230,918.40 × 134,899.20
  4. Step 4: Simplify right side
    153,945.60x = 31,150,707,425.28
  5. Step 5: Solve for x
    x = 31,150,707,425.28/153,945.60
  6. Step 6: Final answer
    x = 202,348.80

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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.