Home / 166,260-229,440.02-90,808.50

Finding the Fourth Proportional to 166,260, 229,440.02 and 90,808.50

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Solution

The fourth proportional to 166,260, 229,440.02 and 90,808.50 is: 125,316.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,260 : 229,440.02 = 90,808.50 : x
  2. Step 2: Convert to fraction form
    166,260/229,440.02 = 90,808.50/x
  3. Step 3: Cross multiply
    166,260x = 229,440.02 × 90,808.50
  4. Step 4: Simplify right side
    166,260x = 20,835,104,056.17
  5. Step 5: Solve for x
    x = 20,835,104,056.17/166,260
  6. Step 6: Final answer
    x = 125,316.40

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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.