Home / 127,224.20-190,778.70-48,312.20

Finding the Fourth Proportional to 127,224.20, 190,778.70 and 48,312.20

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Solution

The fourth proportional to 127,224.20, 190,778.70 and 48,312.20 is: 72,446.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,224.20 : 190,778.70 = 48,312.20 : x
  2. Step 2: Convert to fraction form
    127,224.20/190,778.70 = 48,312.20/x
  3. Step 3: Cross multiply
    127,224.20x = 190,778.70 × 48,312.20
  4. Step 4: Simplify right side
    127,224.20x = 9,216,938,710.14
  5. Step 5: Solve for x
    x = 9,216,938,710.14/127,224.20
  6. Step 6: Final answer
    x = 72,446.43

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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.