Home / 132,283.41-182,522.59-78,586.48

Finding the Fourth Proportional to 132,283.41, 182,522.59 and 78,586.48

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Solution

The fourth proportional to 132,283.41, 182,522.59 and 78,586.48 is: 108,432.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,283.41 : 182,522.59 = 78,586.48 : x
  2. Step 2: Convert to fraction form
    132,283.41/182,522.59 = 78,586.48/x
  3. Step 3: Cross multiply
    132,283.41x = 182,522.59 × 78,586.48
  4. Step 4: Simplify right side
    132,283.41x = 14,343,807,868.58
  5. Step 5: Solve for x
    x = 14,343,807,868.58/132,283.41
  6. Step 6: Final answer
    x = 108,432.40

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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.