Home / 132,018.44-182,185.62-72,402.44

Finding the Fourth Proportional to 132,018.44, 182,185.62 and 72,402.44

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Solution

The fourth proportional to 132,018.44, 182,185.62 and 72,402.44 is: 99,915.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,018.44 : 182,185.62 = 72,402.44 : x
  2. Step 2: Convert to fraction form
    132,018.44/182,185.62 = 72,402.44/x
  3. Step 3: Cross multiply
    132,018.44x = 182,185.62 × 72,402.44
  4. Step 4: Simplify right side
    132,018.44x = 13,190,683,420.91
  5. Step 5: Solve for x
    x = 13,190,683,420.91/132,018.44
  6. Step 6: Final answer
    x = 99,915.46

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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.