Home / 127,784.46-176,343.76-70,425.85

Finding the Fourth Proportional to 127,784.46, 176,343.76 and 70,425.85

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Solution

The fourth proportional to 127,784.46, 176,343.76 and 70,425.85 is: 97,188.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,784.46 : 176,343.76 = 70,425.85 : x
  2. Step 2: Convert to fraction form
    127,784.46/176,343.76 = 70,425.85/x
  3. Step 3: Cross multiply
    127,784.46x = 176,343.76 × 70,425.85
  4. Step 4: Simplify right side
    127,784.46x = 12,419,159,190.20
  5. Step 5: Solve for x
    x = 12,419,159,190.20/127,784.46
  6. Step 6: Final answer
    x = 97,188.34

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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.