Home / 118,682.65-163,779.87-64,966.69

Finding the Fourth Proportional to 118,682.65, 163,779.87 and 64,966.69

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Solution

The fourth proportional to 118,682.65, 163,779.87 and 64,966.69 is: 89,652.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,682.65 : 163,779.87 = 64,966.69 : x
  2. Step 2: Convert to fraction form
    118,682.65/163,779.87 = 64,966.69/x
  3. Step 3: Cross multiply
    118,682.65x = 163,779.87 × 64,966.69
  4. Step 4: Simplify right side
    118,682.65x = 10,640,236,042.53
  5. Step 5: Solve for x
    x = 10,640,236,042.53/118,682.65
  6. Step 6: Final answer
    x = 89,652.84

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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.