Home / 132,886.43-183,427.71-79,188.29

Finding the Fourth Proportional to 132,886.43, 183,427.71 and 79,188.29

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Solution

The fourth proportional to 132,886.43, 183,427.71 and 79,188.29 is: 109,306.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,886.43 : 183,427.71 = 79,188.29 : x
  2. Step 2: Convert to fraction form
    132,886.43/183,427.71 = 79,188.29/x
  3. Step 3: Cross multiply
    132,886.43x = 183,427.71 × 79,188.29
  4. Step 4: Simplify right side
    132,886.43x = 14,525,326,693.52
  5. Step 5: Solve for x
    x = 14,525,326,693.52/132,886.43
  6. Step 6: Final answer
    x = 109,306.32

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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.