Home / 130,871.41-180,606.99-73,520.86

Finding the Fourth Proportional to 130,871.41, 180,606.99 and 73,520.86

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Solution

The fourth proportional to 130,871.41, 180,606.99 and 73,520.86 is: 101,461.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,871.41 : 180,606.99 = 73,520.86 : x
  2. Step 2: Convert to fraction form
    130,871.41/180,606.99 = 73,520.86/x
  3. Step 3: Cross multiply
    130,871.41x = 180,606.99 × 73,520.86
  4. Step 4: Simplify right side
    130,871.41x = 13,278,381,226.81
  5. Step 5: Solve for x
    x = 13,278,381,226.81/130,871.41
  6. Step 6: Final answer
    x = 101,461.28

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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.