Home / 131,014.59-180,778.03-73,646.34

Finding the Fourth Proportional to 131,014.59, 180,778.03 and 73,646.34

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Solution

The fourth proportional to 131,014.59, 180,778.03 and 73,646.34 is: 101,619.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,014.59 : 180,778.03 = 73,646.34 : x
  2. Step 2: Convert to fraction form
    131,014.59/180,778.03 = 73,646.34/x
  3. Step 3: Cross multiply
    131,014.59x = 180,778.03 × 73,646.34
  4. Step 4: Simplify right side
    131,014.59x = 13,313,640,261.91
  5. Step 5: Solve for x
    x = 13,313,640,261.91/131,014.59
  6. Step 6: Final answer
    x = 101,619.52

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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.