Home / 127,656.30-176,164.21-70,294.43

Finding the Fourth Proportional to 127,656.30, 176,164.21 and 70,294.43

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Solution

The fourth proportional to 127,656.30, 176,164.21 and 70,294.43 is: 97,005.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,656.30 : 176,164.21 = 70,294.43 : x
  2. Step 2: Convert to fraction form
    127,656.30/176,164.21 = 70,294.43/x
  3. Step 3: Cross multiply
    127,656.30x = 176,164.21 × 70,294.43
  4. Step 4: Simplify right side
    127,656.30x = 12,383,362,728.35
  5. Step 5: Solve for x
    x = 12,383,362,728.35/127,656.30
  6. Step 6: Final answer
    x = 97,005.50

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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.