Home / 127,207.20-190,905.60-48,475.20

Finding the Fourth Proportional to 127,207.20, 190,905.60 and 48,475.20

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Solution

The fourth proportional to 127,207.20, 190,905.60 and 48,475.20 is: 72,748.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,207.20 : 190,905.60 = 48,475.20 : x
  2. Step 2: Convert to fraction form
    127,207.20/190,905.60 = 48,475.20/x
  3. Step 3: Cross multiply
    127,207.20x = 190,905.60 × 48,475.20
  4. Step 4: Simplify right side
    127,207.20x = 9,254,187,141.12
  5. Step 5: Solve for x
    x = 9,254,187,141.12/127,207.20
  6. Step 6: Final answer
    x = 72,748.93

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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.