Home / 136,548.26-204,681.65-52,285.40

Finding the Fourth Proportional to 136,548.26, 204,681.65 and 52,285.40

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Solution

The fourth proportional to 136,548.26, 204,681.65 and 52,285.40 is: 78,374.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,548.26 : 204,681.65 = 52,285.40 : x
  2. Step 2: Convert to fraction form
    136,548.26/204,681.65 = 52,285.40/x
  3. Step 3: Cross multiply
    136,548.26x = 204,681.65 × 52,285.40
  4. Step 4: Simplify right side
    136,548.26x = 10,701,861,942.91
  5. Step 5: Solve for x
    x = 10,701,861,942.91/136,548.26
  6. Step 6: Final answer
    x = 78,374.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.