Home / 117,322.41-161,892.80-72,002.30

Finding the Fourth Proportional to 117,322.41, 161,892.80 and 72,002.30

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Solution

The fourth proportional to 117,322.41, 161,892.80 and 72,002.30 is: 99,355.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,322.41 : 161,892.80 = 72,002.30 : x
  2. Step 2: Convert to fraction form
    117,322.41/161,892.80 = 72,002.30/x
  3. Step 3: Cross multiply
    117,322.41x = 161,892.80 × 72,002.30
  4. Step 4: Simplify right side
    117,322.41x = 11,656,653,953.44
  5. Step 5: Solve for x
    x = 11,656,653,953.44/117,322.41
  6. Step 6: Final answer
    x = 99,355.73

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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.