Home / 217,259.06-299,812.34-120,462.44

Finding the Fourth Proportional to 217,259.06, 299,812.34 and 120,462.44

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Solution

The fourth proportional to 217,259.06, 299,812.34 and 120,462.44 is: 166,235.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,259.06 : 299,812.34 = 120,462.44 : x
  2. Step 2: Convert to fraction form
    217,259.06/299,812.34 = 120,462.44/x
  3. Step 3: Cross multiply
    217,259.06x = 299,812.34 × 120,462.44
  4. Step 4: Simplify right side
    217,259.06x = 36,116,126,018.51
  5. Step 5: Solve for x
    x = 36,116,126,018.51/217,259.06
  6. Step 6: Final answer
    x = 166,235.30

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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.