Home / 137,420.10-206,166.60-48,664.35

Finding the Fourth Proportional to 137,420.10, 206,166.60 and 48,664.35

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Solution

The fourth proportional to 137,420.10, 206,166.60 and 48,664.35 is: 73,009.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,420.10 : 206,166.60 = 48,664.35 : x
  2. Step 2: Convert to fraction form
    137,420.10/206,166.60 = 48,664.35/x
  3. Step 3: Cross multiply
    137,420.10x = 206,166.60 × 48,664.35
  4. Step 4: Simplify right side
    137,420.10x = 10,032,963,580.71
  5. Step 5: Solve for x
    x = 10,032,963,580.71/137,420.10
  6. Step 6: Final answer
    x = 73,009.43

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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.