Home / 127,219.60-190,902.30-48,390.40

Finding the Fourth Proportional to 127,219.60, 190,902.30 and 48,390.40

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Solution

The fourth proportional to 127,219.60, 190,902.30 and 48,390.40 is: 72,613.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,219.60 : 190,902.30 = 48,390.40 : x
  2. Step 2: Convert to fraction form
    127,219.60/190,902.30 = 48,390.40/x
  3. Step 3: Cross multiply
    127,219.60x = 190,902.30 × 48,390.40
  4. Step 4: Simplify right side
    127,219.60x = 9,237,838,657.92
  5. Step 5: Solve for x
    x = 9,237,838,657.92/127,219.60
  6. Step 6: Final answer
    x = 72,613.33

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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.