Home / 213,739.32-320,596.02-55,964.28

Finding the Fourth Proportional to 213,739.32, 320,596.02 and 55,964.28

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Solution

The fourth proportional to 213,739.32, 320,596.02 and 55,964.28 is: 83,943.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,739.32 : 320,596.02 = 55,964.28 : x
  2. Step 2: Convert to fraction form
    213,739.32/320,596.02 = 55,964.28/x
  3. Step 3: Cross multiply
    213,739.32x = 320,596.02 × 55,964.28
  4. Step 4: Simplify right side
    213,739.32x = 17,941,925,430.17
  5. Step 5: Solve for x
    x = 17,941,925,430.17/213,739.32
  6. Step 6: Final answer
    x = 83,943.03

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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.