Home / 84,900.13-127,156.26-40,558.30

Finding the Fourth Proportional to 84,900.13, 127,156.26 and 40,558.30

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Solution

The fourth proportional to 84,900.13, 127,156.26 and 40,558.30 is: 60,744.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,900.13 : 127,156.26 = 40,558.30 : x
  2. Step 2: Convert to fraction form
    84,900.13/127,156.26 = 40,558.30/x
  3. Step 3: Cross multiply
    84,900.13x = 127,156.26 × 40,558.30
  4. Step 4: Simplify right side
    84,900.13x = 5,157,241,739.96
  5. Step 5: Solve for x
    x = 5,157,241,739.96/84,900.13
  6. Step 6: Final answer
    x = 60,744.80

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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.