Home / 131,014.96-180,782.41-73,646.17

Finding the Fourth Proportional to 131,014.96, 180,782.41 and 73,646.17

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Solution

The fourth proportional to 131,014.96, 180,782.41 and 73,646.17 is: 101,621.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,014.96 : 180,782.41 = 73,646.17 : x
  2. Step 2: Convert to fraction form
    131,014.96/180,782.41 = 73,646.17/x
  3. Step 3: Cross multiply
    131,014.96x = 180,782.41 × 73,646.17
  4. Step 4: Simplify right side
    131,014.96x = 13,313,930,827.73
  5. Step 5: Solve for x
    x = 13,313,930,827.73/131,014.96
  6. Step 6: Final answer
    x = 101,621.46

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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.