Home / 118,255.20-177,587.60-83,439.20

Finding the Fourth Proportional to 118,255.20, 177,587.60 and 83,439.20

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Solution

The fourth proportional to 118,255.20, 177,587.60 and 83,439.20 is: 125,303.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,255.20 : 177,587.60 = 83,439.20 : x
  2. Step 2: Convert to fraction form
    118,255.20/177,587.60 = 83,439.20/x
  3. Step 3: Cross multiply
    118,255.20x = 177,587.60 × 83,439.20
  4. Step 4: Simplify right side
    118,255.20x = 14,817,767,273.92
  5. Step 5: Solve for x
    x = 14,817,767,273.92/118,255.20
  6. Step 6: Final answer
    x = 125,303.30

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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.