Home / 145,302.36-200,436.21-135,027.42

Finding the Fourth Proportional to 145,302.36, 200,436.21 and 135,027.42

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Solution

The fourth proportional to 145,302.36, 200,436.21 and 135,027.42 is: 186,262.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,302.36 : 200,436.21 = 135,027.42 : x
  2. Step 2: Convert to fraction form
    145,302.36/200,436.21 = 135,027.42/x
  3. Step 3: Cross multiply
    145,302.36x = 200,436.21 × 135,027.42
  4. Step 4: Simplify right side
    145,302.36x = 27,064,384,310.88
  5. Step 5: Solve for x
    x = 27,064,384,310.88/145,302.36
  6. Step 6: Final answer
    x = 186,262.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.