Home / 127,029.60-175,308.72-70,440.96

Finding the Fourth Proportional to 127,029.60, 175,308.72 and 70,440.96

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Solution

The fourth proportional to 127,029.60, 175,308.72 and 70,440.96 is: 97,212.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,029.60 : 175,308.72 = 70,440.96 : x
  2. Step 2: Convert to fraction form
    127,029.60/175,308.72 = 70,440.96/x
  3. Step 3: Cross multiply
    127,029.60x = 175,308.72 × 70,440.96
  4. Step 4: Simplify right side
    127,029.60x = 12,348,914,533.17
  5. Step 5: Solve for x
    x = 12,348,914,533.17/127,029.60
  6. Step 6: Final answer
    x = 97,212.89

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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.