Home / 105,976.02-146,247.36-58,230.30

Finding the Fourth Proportional to 105,976.02, 146,247.36 and 58,230.30

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Solution

The fourth proportional to 105,976.02, 146,247.36 and 58,230.30 is: 80,358.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,976.02 : 146,247.36 = 58,230.30 : x
  2. Step 2: Convert to fraction form
    105,976.02/146,247.36 = 58,230.30/x
  3. Step 3: Cross multiply
    105,976.02x = 146,247.36 × 58,230.30
  4. Step 4: Simplify right side
    105,976.02x = 8,516,027,647.01
  5. Step 5: Solve for x
    x = 8,516,027,647.01/105,976.02
  6. Step 6: Final answer
    x = 80,358.06

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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.