Home / 132,468.86-182,808.24-72,040.07

Finding the Fourth Proportional to 132,468.86, 182,808.24 and 72,040.07

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Solution

The fourth proportional to 132,468.86, 182,808.24 and 72,040.07 is: 99,415.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,468.86 : 182,808.24 = 72,040.07 : x
  2. Step 2: Convert to fraction form
    132,468.86/182,808.24 = 72,040.07/x
  3. Step 3: Cross multiply
    132,468.86x = 182,808.24 × 72,040.07
  4. Step 4: Simplify right side
    132,468.86x = 13,169,517,492.14
  5. Step 5: Solve for x
    x = 13,169,517,492.14/132,468.86
  6. Step 6: Final answer
    x = 99,415.95

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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.