Home / 132,945.23-183,466.58-72,515.86

Finding the Fourth Proportional to 132,945.23, 183,466.58 and 72,515.86

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Solution

The fourth proportional to 132,945.23, 183,466.58 and 72,515.86 is: 100,073.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,945.23 : 183,466.58 = 72,515.86 : x
  2. Step 2: Convert to fraction form
    132,945.23/183,466.58 = 72,515.86/x
  3. Step 3: Cross multiply
    132,945.23x = 183,466.58 × 72,515.86
  4. Step 4: Simplify right side
    132,945.23x = 13,304,236,008.71
  5. Step 5: Solve for x
    x = 13,304,236,008.71/132,945.23
  6. Step 6: Final answer
    x = 100,073.06

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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.