Home / 117,077.21-161,567.03-63,362.20

Finding the Fourth Proportional to 117,077.21, 161,567.03 and 63,362.20

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Solution

The fourth proportional to 117,077.21, 161,567.03 and 63,362.20 is: 87,440.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,077.21 : 161,567.03 = 63,362.20 : x
  2. Step 2: Convert to fraction form
    117,077.21/161,567.03 = 63,362.20/x
  3. Step 3: Cross multiply
    117,077.21x = 161,567.03 × 63,362.20
  4. Step 4: Simplify right side
    117,077.21x = 10,237,241,343.62
  5. Step 5: Solve for x
    x = 10,237,241,343.62/117,077.21
  6. Step 6: Final answer
    x = 87,440.09

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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.