Home / 127,008.60-190,393.70-42,709.82

Finding the Fourth Proportional to 127,008.60, 190,393.70 and 42,709.82

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Solution

The fourth proportional to 127,008.60, 190,393.70 and 42,709.82 is: 64,024.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,008.60 : 190,393.70 = 42,709.82 : x
  2. Step 2: Convert to fraction form
    127,008.60/190,393.70 = 42,709.82/x
  3. Step 3: Cross multiply
    127,008.60x = 190,393.70 × 42,709.82
  4. Step 4: Simplify right side
    127,008.60x = 8,131,680,656.13
  5. Step 5: Solve for x
    x = 8,131,680,656.13/127,008.60
  6. Step 6: Final answer
    x = 64,024.65

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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.