Home / 127,272.30-190,908.45-64,934.70

Finding the Fourth Proportional to 127,272.30, 190,908.45 and 64,934.70

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Solution

The fourth proportional to 127,272.30, 190,908.45 and 64,934.70 is: 97,402.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,272.30 : 190,908.45 = 64,934.70 : x
  2. Step 2: Convert to fraction form
    127,272.30/190,908.45 = 64,934.70/x
  3. Step 3: Cross multiply
    127,272.30x = 190,908.45 × 64,934.70
  4. Step 4: Simplify right side
    127,272.30x = 12,396,582,928.22
  5. Step 5: Solve for x
    x = 12,396,582,928.22/127,272.30
  6. Step 6: Final answer
    x = 97,402.05

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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.