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Finding the Fourth Proportional to 166,465.79, 229,723.76 and 91,014.29

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Solution

The fourth proportional to 166,465.79, 229,723.76 and 91,014.29 is: 125,600.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,465.79 : 229,723.76 = 91,014.29 : x
  2. Step 2: Convert to fraction form
    166,465.79/229,723.76 = 91,014.29/x
  3. Step 3: Cross multiply
    166,465.79x = 229,723.76 × 91,014.29
  4. Step 4: Simplify right side
    166,465.79x = 20,908,144,457.46
  5. Step 5: Solve for x
    x = 20,908,144,457.46/166,465.79
  6. Step 6: Final answer
    x = 125,600.25

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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.