Home / 127,331.60-190,778.70-60,628.10

Finding the Fourth Proportional to 127,331.60, 190,778.70 and 60,628.10

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Solution

The fourth proportional to 127,331.60, 190,778.70 and 60,628.10 is: 90,838.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,331.60 : 190,778.70 = 60,628.10 : x
  2. Step 2: Convert to fraction form
    127,331.60/190,778.70 = 60,628.10/x
  3. Step 3: Cross multiply
    127,331.60x = 190,778.70 × 60,628.10
  4. Step 4: Simplify right side
    127,331.60x = 11,566,550,101.47
  5. Step 5: Solve for x
    x = 11,566,550,101.47/127,331.60
  6. Step 6: Final answer
    x = 90,838.02

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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.