Home / 145,092.24-200,236.17-81,430.03

Finding the Fourth Proportional to 145,092.24, 200,236.17 and 81,430.03

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Solution

The fourth proportional to 145,092.24, 200,236.17 and 81,430.03 is: 112,378.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,092.24 : 200,236.17 = 81,430.03 : x
  2. Step 2: Convert to fraction form
    145,092.24/200,236.17 = 81,430.03/x
  3. Step 3: Cross multiply
    145,092.24x = 200,236.17 × 81,430.03
  4. Step 4: Simplify right side
    145,092.24x = 16,305,237,885.84
  5. Step 5: Solve for x
    x = 16,305,237,885.84/145,092.24
  6. Step 6: Final answer
    x = 112,378.43

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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.