Home / 140,538.24-209,805.60-135,616.32

Finding the Fourth Proportional to 140,538.24, 209,805.60 and 135,616.32

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Solution

The fourth proportional to 140,538.24, 209,805.60 and 135,616.32 is: 202,457.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,538.24 : 209,805.60 = 135,616.32 : x
  2. Step 2: Convert to fraction form
    140,538.24/209,805.60 = 135,616.32/x
  3. Step 3: Cross multiply
    140,538.24x = 209,805.60 × 135,616.32
  4. Step 4: Simplify right side
    140,538.24x = 28,453,063,387.39
  5. Step 5: Solve for x
    x = 28,453,063,387.39/140,538.24
  6. Step 6: Final answer
    x = 202,457.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.