Home / 243,669.53-365,587.28-131,360.60

Finding the Fourth Proportional to 243,669.53, 365,587.28 and 131,360.60

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Solution

The fourth proportional to 243,669.53, 365,587.28 and 131,360.60 is: 197,085.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,669.53 : 365,587.28 = 131,360.60 : x
  2. Step 2: Convert to fraction form
    243,669.53/365,587.28 = 131,360.60/x
  3. Step 3: Cross multiply
    243,669.53x = 365,587.28 × 131,360.60
  4. Step 4: Simplify right side
    243,669.53x = 48,023,761,968.43
  5. Step 5: Solve for x
    x = 48,023,761,968.43/243,669.53
  6. Step 6: Final answer
    x = 197,085.63

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1.5x scale

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.