Home / 127,059.75-175,346.10-70,474.77

Finding the Fourth Proportional to 127,059.75, 175,346.10 and 70,474.77

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Solution

The fourth proportional to 127,059.75, 175,346.10 and 70,474.77 is: 97,257.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,059.75 : 175,346.10 = 70,474.77 : x
  2. Step 2: Convert to fraction form
    127,059.75/175,346.10 = 70,474.77/x
  3. Step 3: Cross multiply
    127,059.75x = 175,346.10 × 70,474.77
  4. Step 4: Simplify right side
    127,059.75x = 12,357,476,067.90
  5. Step 5: Solve for x
    x = 12,357,476,067.90/127,059.75
  6. Step 6: Final answer
    x = 97,257.20

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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.