Home / 102,576.53-141,630.60-66,299.45

Finding the Fourth Proportional to 102,576.53, 141,630.60 and 66,299.45

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Solution

The fourth proportional to 102,576.53, 141,630.60 and 66,299.45 is: 91,541.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,576.53 : 141,630.60 = 66,299.45 : x
  2. Step 2: Convert to fraction form
    102,576.53/141,630.60 = 66,299.45/x
  3. Step 3: Cross multiply
    102,576.53x = 141,630.60 × 66,299.45
  4. Step 4: Simplify right side
    102,576.53x = 9,390,030,423.64
  5. Step 5: Solve for x
    x = 9,390,030,423.64/102,576.53
  6. Step 6: Final answer
    x = 91,541.70

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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.