Home / 166,432.86-229,677.36-90,981.36

Finding the Fourth Proportional to 166,432.86, 229,677.36 and 90,981.36

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Solution

The fourth proportional to 166,432.86, 229,677.36 and 90,981.36 is: 125,554.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,432.86 : 229,677.36 = 90,981.36 : x
  2. Step 2: Convert to fraction form
    166,432.86/229,677.36 = 90,981.36/x
  3. Step 3: Cross multiply
    166,432.86x = 229,677.36 × 90,981.36
  4. Step 4: Simplify right side
    166,432.86x = 20,896,358,574.01
  5. Step 5: Solve for x
    x = 20,896,358,574.01/166,432.86
  6. Step 6: Final answer
    x = 125,554.28

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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.