Home / 116,857.34-161,296.21-69,127.28

Finding the Fourth Proportional to 116,857.34, 161,296.21 and 69,127.28

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Solution

The fourth proportional to 116,857.34, 161,296.21 and 69,127.28 is: 95,415.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,857.34 : 161,296.21 = 69,127.28 : x
  2. Step 2: Convert to fraction form
    116,857.34/161,296.21 = 69,127.28/x
  3. Step 3: Cross multiply
    116,857.34x = 161,296.21 × 69,127.28
  4. Step 4: Simplify right side
    116,857.34x = 11,149,968,271.61
  5. Step 5: Solve for x
    x = 11,149,968,271.61/116,857.34
  6. Step 6: Final answer
    x = 95,415.22

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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.