Home / 87,270.42-120,446.21-53,298.45

Finding the Fourth Proportional to 87,270.42, 120,446.21 and 53,298.45

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Solution

The fourth proportional to 87,270.42, 120,446.21 and 53,298.45 is: 73,559.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,270.42 : 120,446.21 = 53,298.45 : x
  2. Step 2: Convert to fraction form
    87,270.42/120,446.21 = 53,298.45/x
  3. Step 3: Cross multiply
    87,270.42x = 120,446.21 × 53,298.45
  4. Step 4: Simplify right side
    87,270.42x = 6,419,596,434.62
  5. Step 5: Solve for x
    x = 6,419,596,434.62/87,270.42
  6. Step 6: Final answer
    x = 73,559.82

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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.