Home / 135,746.25-203,648.62-40,968.50

Finding the Fourth Proportional to 135,746.25, 203,648.62 and 40,968.50

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Solution

The fourth proportional to 135,746.25, 203,648.62 and 40,968.50 is: 61,461.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,746.25 : 203,648.62 = 40,968.50 : x
  2. Step 2: Convert to fraction form
    135,746.25/203,648.62 = 40,968.50/x
  3. Step 3: Cross multiply
    135,746.25x = 203,648.62 × 40,968.50
  4. Step 4: Simplify right side
    135,746.25x = 8,343,178,488.47
  5. Step 5: Solve for x
    x = 8,343,178,488.47/135,746.25
  6. Step 6: Final answer
    x = 61,461.58

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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.