Home / 127,074.21-175,383.45-70,503.81

Finding the Fourth Proportional to 127,074.21, 175,383.45 and 70,503.81

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Solution

The fourth proportional to 127,074.21, 175,383.45 and 70,503.81 is: 97,306.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,074.21 : 175,383.45 = 70,503.81 : x
  2. Step 2: Convert to fraction form
    127,074.21/175,383.45 = 70,503.81/x
  3. Step 3: Cross multiply
    127,074.21x = 175,383.45 × 70,503.81
  4. Step 4: Simplify right side
    127,074.21x = 12,365,201,435.94
  5. Step 5: Solve for x
    x = 12,365,201,435.94/127,074.21
  6. Step 6: Final answer
    x = 97,306.93

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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.