Home / 130,915.96-180,652.92-73,550.78

Finding the Fourth Proportional to 130,915.96, 180,652.92 and 73,550.78

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Solution

The fourth proportional to 130,915.96, 180,652.92 and 73,550.78 is: 101,493.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,915.96 : 180,652.92 = 73,550.78 : x
  2. Step 2: Convert to fraction form
    130,915.96/180,652.92 = 73,550.78/x
  3. Step 3: Cross multiply
    130,915.96x = 180,652.92 × 73,550.78
  4. Step 4: Simplify right side
    130,915.96x = 13,287,163,175.28
  5. Step 5: Solve for x
    x = 13,287,163,175.28/130,915.96
  6. Step 6: Final answer
    x = 101,493.84

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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.