Home / 163,040.31-224,996.67-91,421.46

Finding the Fourth Proportional to 163,040.31, 224,996.67 and 91,421.46

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Solution

The fourth proportional to 163,040.31, 224,996.67 and 91,421.46 is: 126,162.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,040.31 : 224,996.67 = 91,421.46 : x
  2. Step 2: Convert to fraction form
    163,040.31/224,996.67 = 91,421.46/x
  3. Step 3: Cross multiply
    163,040.31x = 224,996.67 × 91,421.46
  4. Step 4: Simplify right side
    163,040.31x = 20,569,524,066.54
  5. Step 5: Solve for x
    x = 20,569,524,066.54/163,040.31
  6. Step 6: Final answer
    x = 126,162.20

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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.