Home / 118,181.90-177,445.65-83,276.30

Finding the Fourth Proportional to 118,181.90, 177,445.65 and 83,276.30

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Solution

The fourth proportional to 118,181.90, 177,445.65 and 83,276.30 is: 125,036.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,181.90 : 177,445.65 = 83,276.30 : x
  2. Step 2: Convert to fraction form
    118,181.90/177,445.65 = 83,276.30/x
  3. Step 3: Cross multiply
    118,181.90x = 177,445.65 × 83,276.30
  4. Step 4: Simplify right side
    118,181.90x = 14,777,017,183.10
  5. Step 5: Solve for x
    x = 14,777,017,183.10/118,181.90
  6. Step 6: Final answer
    x = 125,036.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.