Home / 130,777.44-180,491.25-76,347.46

Finding the Fourth Proportional to 130,777.44, 180,491.25 and 76,347.46

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Solution

The fourth proportional to 130,777.44, 180,491.25 and 76,347.46 is: 105,370.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,777.44 : 180,491.25 = 76,347.46 : x
  2. Step 2: Convert to fraction form
    130,777.44/180,491.25 = 76,347.46/x
  3. Step 3: Cross multiply
    130,777.44x = 180,491.25 × 76,347.46
  4. Step 4: Simplify right side
    130,777.44x = 13,780,048,489.73
  5. Step 5: Solve for x
    x = 13,780,048,489.73/130,777.44
  6. Step 6: Final answer
    x = 105,370.23

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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.