Home / 118,304.46-163,257.66-64,586.88

Finding the Fourth Proportional to 118,304.46, 163,257.66 and 64,586.88

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Solution

The fourth proportional to 118,304.46, 163,257.66 and 64,586.88 is: 89,128.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,304.46 : 163,257.66 = 64,586.88 : x
  2. Step 2: Convert to fraction form
    118,304.46/163,257.66 = 64,586.88/x
  3. Step 3: Cross multiply
    118,304.46x = 163,257.66 × 64,586.88
  4. Step 4: Simplify right side
    118,304.46x = 10,544,302,895.50
  5. Step 5: Solve for x
    x = 10,544,302,895.50/118,304.46
  6. Step 6: Final answer
    x = 89,128.53

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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.