Home / 127,146.62-175,470.64-70,558.14

Finding the Fourth Proportional to 127,146.62, 175,470.64 and 70,558.14

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Solution

The fourth proportional to 127,146.62, 175,470.64 and 70,558.14 is: 97,374.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,146.62 : 175,470.64 = 70,558.14 : x
  2. Step 2: Convert to fraction form
    127,146.62/175,470.64 = 70,558.14/x
  3. Step 3: Cross multiply
    127,146.62x = 175,470.64 × 70,558.14
  4. Step 4: Simplify right side
    127,146.62x = 12,380,881,983.01
  5. Step 5: Solve for x
    x = 12,380,881,983.01/127,146.62
  6. Step 6: Final answer
    x = 97,374.84

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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.