Home / 118,521.45-163,554.66-64,808.33

Finding the Fourth Proportional to 118,521.45, 163,554.66 and 64,808.33

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Solution

The fourth proportional to 118,521.45, 163,554.66 and 64,808.33 is: 89,432.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,521.45 : 163,554.66 = 64,808.33 : x
  2. Step 2: Convert to fraction form
    118,521.45/163,554.66 = 64,808.33/x
  3. Step 3: Cross multiply
    118,521.45x = 163,554.66 × 64,808.33
  4. Step 4: Simplify right side
    118,521.45x = 10,599,703,560.54
  5. Step 5: Solve for x
    x = 10,599,703,560.54/118,521.45
  6. Step 6: Final answer
    x = 89,432.79

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1.5x scale

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.