Home / 156,744.40-235,133.04-51,571.60

Finding the Fourth Proportional to 156,744.40, 235,133.04 and 51,571.60

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Solution

The fourth proportional to 156,744.40, 235,133.04 and 51,571.60 is: 77,362.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,744.40 : 235,133.04 = 51,571.60 : x
  2. Step 2: Convert to fraction form
    156,744.40/235,133.04 = 51,571.60/x
  3. Step 3: Cross multiply
    156,744.40x = 235,133.04 × 51,571.60
  4. Step 4: Simplify right side
    156,744.40x = 12,126,187,085.66
  5. Step 5: Solve for x
    x = 12,126,187,085.66/156,744.40
  6. Step 6: Final answer
    x = 77,362.81

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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.