Home / 96,829.31-133,315.54-81,684.34

Finding the Fourth Proportional to 96,829.31, 133,315.54 and 81,684.34

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Solution

The fourth proportional to 96,829.31, 133,315.54 and 81,684.34 is: 112,463.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,829.31 : 133,315.54 = 81,684.34 : x
  2. Step 2: Convert to fraction form
    96,829.31/133,315.54 = 81,684.34/x
  3. Step 3: Cross multiply
    96,829.31x = 133,315.54 × 81,684.34
  4. Step 4: Simplify right side
    96,829.31x = 10,889,791,359.14
  5. Step 5: Solve for x
    x = 10,889,791,359.14/96,829.31
  6. Step 6: Final answer
    x = 112,463.79

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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.