Home / 127,431.56-175,855.76-70,842.94

Finding the Fourth Proportional to 127,431.56, 175,855.76 and 70,842.94

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Solution

The fourth proportional to 127,431.56, 175,855.76 and 70,842.94 is: 97,763.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,431.56 : 175,855.76 = 70,842.94 : x
  2. Step 2: Convert to fraction form
    127,431.56/175,855.76 = 70,842.94/x
  3. Step 3: Cross multiply
    127,431.56x = 175,855.76 × 70,842.94
  4. Step 4: Simplify right side
    127,431.56x = 12,458,138,526.14
  5. Step 5: Solve for x
    x = 12,458,138,526.14/127,431.56
  6. Step 6: Final answer
    x = 97,763.37

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1.5x scale

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.