Home / 166,441.32-229,689.93-90,989.82

Finding the Fourth Proportional to 166,441.32, 229,689.93 and 90,989.82

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Solution

The fourth proportional to 166,441.32, 229,689.93 and 90,989.82 is: 125,566.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,441.32 : 229,689.93 = 90,989.82 : x
  2. Step 2: Convert to fraction form
    166,441.32/229,689.93 = 90,989.82/x
  3. Step 3: Cross multiply
    166,441.32x = 229,689.93 × 90,989.82
  4. Step 4: Simplify right side
    166,441.32x = 20,899,445,386.51
  5. Step 5: Solve for x
    x = 20,899,445,386.51/166,441.32
  6. Step 6: Final answer
    x = 125,566.45

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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.