Home / 101,024.02-139,412.02-55,705.97

Finding the Fourth Proportional to 101,024.02, 139,412.02 and 55,705.97

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Solution

The fourth proportional to 101,024.02, 139,412.02 and 55,705.97 is: 76,873.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,024.02 : 139,412.02 = 55,705.97 : x
  2. Step 2: Convert to fraction form
    101,024.02/139,412.02 = 55,705.97/x
  3. Step 3: Cross multiply
    101,024.02x = 139,412.02 × 55,705.97
  4. Step 4: Simplify right side
    101,024.02x = 7,766,081,372.24
  5. Step 5: Solve for x
    x = 7,766,081,372.24/101,024.02
  6. Step 6: Final answer
    x = 76,873.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.