Home / 143,012.02-214,518.09-49,517.77

Finding the Fourth Proportional to 143,012.02, 214,518.09 and 49,517.77

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Solution

The fourth proportional to 143,012.02, 214,518.09 and 49,517.77 is: 74,276.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,012.02 : 214,518.09 = 49,517.77 : x
  2. Step 2: Convert to fraction form
    143,012.02/214,518.09 = 49,517.77/x
  3. Step 3: Cross multiply
    143,012.02x = 214,518.09 × 49,517.77
  4. Step 4: Simplify right side
    143,012.02x = 10,622,457,441.46
  5. Step 5: Solve for x
    x = 10,622,457,441.46/143,012.02
  6. Step 6: Final answer
    x = 74,276.68

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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.