Home / 180,984.84-271,567.80-81,216.36

Finding the Fourth Proportional to 180,984.84, 271,567.80 and 81,216.36

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Solution

The fourth proportional to 180,984.84, 271,567.80 and 81,216.36 is: 121,865.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,984.84 : 271,567.80 = 81,216.36 : x
  2. Step 2: Convert to fraction form
    180,984.84/271,567.80 = 81,216.36/x
  3. Step 3: Cross multiply
    180,984.84x = 271,567.80 × 81,216.36
  4. Step 4: Simplify right side
    180,984.84x = 22,055,748,209.21
  5. Step 5: Solve for x
    x = 22,055,748,209.21/180,984.84
  6. Step 6: Final answer
    x = 121,865.17

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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.