Home / 243,334.50-365,001.75-77,122.50

Finding the Fourth Proportional to 243,334.50, 365,001.75 and 77,122.50

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Solution

The fourth proportional to 243,334.50, 365,001.75 and 77,122.50 is: 115,683.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,334.50 : 365,001.75 = 77,122.50 : x
  2. Step 2: Convert to fraction form
    243,334.50/365,001.75 = 77,122.50/x
  3. Step 3: Cross multiply
    243,334.50x = 365,001.75 × 77,122.50
  4. Step 4: Simplify right side
    243,334.50x = 28,149,847,464.38
  5. Step 5: Solve for x
    x = 28,149,847,464.38/243,334.50
  6. Step 6: Final answer
    x = 115,683.75

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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.