Home / 148,039.81-222,036.55-48,199.33

Finding the Fourth Proportional to 148,039.81, 222,036.55 and 48,199.33

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Solution

The fourth proportional to 148,039.81, 222,036.55 and 48,199.33 is: 72,291.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,039.81 : 222,036.55 = 48,199.33 : x
  2. Step 2: Convert to fraction form
    148,039.81/222,036.55 = 48,199.33/x
  3. Step 3: Cross multiply
    148,039.81x = 222,036.55 × 48,199.33
  4. Step 4: Simplify right side
    148,039.81x = 10,702,012,149.42
  5. Step 5: Solve for x
    x = 10,702,012,149.42/148,039.81
  6. Step 6: Final answer
    x = 72,291.45

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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.