Home / 127,654.21-176,164.09-70,298.86

Finding the Fourth Proportional to 127,654.21, 176,164.09 and 70,298.86

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Solution

The fourth proportional to 127,654.21, 176,164.09 and 70,298.86 is: 97,013.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,654.21 : 176,164.09 = 70,298.86 : x
  2. Step 2: Convert to fraction form
    127,654.21/176,164.09 = 70,298.86/x
  3. Step 3: Cross multiply
    127,654.21x = 176,164.09 × 70,298.86
  4. Step 4: Simplify right side
    127,654.21x = 12,384,135,304.98
  5. Step 5: Solve for x
    x = 12,384,135,304.98/127,654.21
  6. Step 6: Final answer
    x = 97,013.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.