Home / 142,376.48-213,550.12-37,181.76

Finding the Fourth Proportional to 142,376.48, 213,550.12 and 37,181.76

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Solution

The fourth proportional to 142,376.48, 213,550.12 and 37,181.76 is: 55,768.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,376.48 : 213,550.12 = 37,181.76 : x
  2. Step 2: Convert to fraction form
    142,376.48/213,550.12 = 37,181.76/x
  3. Step 3: Cross multiply
    142,376.48x = 213,550.12 × 37,181.76
  4. Step 4: Simplify right side
    142,376.48x = 7,940,169,309.81
  5. Step 5: Solve for x
    x = 7,940,169,309.81/142,376.48
  6. Step 6: Final answer
    x = 55,768.83

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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.