Home / 166,095.42-229,211.60-90,643.92

Finding the Fourth Proportional to 166,095.42, 229,211.60 and 90,643.92

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Solution

The fourth proportional to 166,095.42, 229,211.60 and 90,643.92 is: 125,088.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,095.42 : 229,211.60 = 90,643.92 : x
  2. Step 2: Convert to fraction form
    166,095.42/229,211.60 = 90,643.92/x
  3. Step 3: Cross multiply
    166,095.42x = 229,211.60 × 90,643.92
  4. Step 4: Simplify right side
    166,095.42x = 20,776,636,620.71
  5. Step 5: Solve for x
    x = 20,776,636,620.71/166,095.42
  6. Step 6: Final answer
    x = 125,088.56

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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.