Home / 131,530.40-197,295.60-52,701.20

Finding the Fourth Proportional to 131,530.40, 197,295.60 and 52,701.20

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Solution

The fourth proportional to 131,530.40, 197,295.60 and 52,701.20 is: 79,051.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,530.40 : 197,295.60 = 52,701.20 : x
  2. Step 2: Convert to fraction form
    131,530.40/197,295.60 = 52,701.20/x
  3. Step 3: Cross multiply
    131,530.40x = 197,295.60 × 52,701.20
  4. Step 4: Simplify right side
    131,530.40x = 10,397,714,874.72
  5. Step 5: Solve for x
    x = 10,397,714,874.72/131,530.40
  6. Step 6: Final answer
    x = 79,051.80

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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.