Home / 165,089.70-247,541.58-52,743.60

Finding the Fourth Proportional to 165,089.70, 247,541.58 and 52,743.60

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Solution

The fourth proportional to 165,089.70, 247,541.58 and 52,743.60 is: 79,085.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,089.70 : 247,541.58 = 52,743.60 : x
  2. Step 2: Convert to fraction form
    165,089.70/247,541.58 = 52,743.60/x
  3. Step 3: Cross multiply
    165,089.70x = 247,541.58 × 52,743.60
  4. Step 4: Simplify right side
    165,089.70x = 13,056,234,078.89
  5. Step 5: Solve for x
    x = 13,056,234,078.89/165,089.70
  6. Step 6: Final answer
    x = 79,085.70

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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.