Home / 127,271.48-175,635.06-70,682.86

Finding the Fourth Proportional to 127,271.48, 175,635.06 and 70,682.86

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Solution

The fourth proportional to 127,271.48, 175,635.06 and 70,682.86 is: 97,542.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,271.48 : 175,635.06 = 70,682.86 : x
  2. Step 2: Convert to fraction form
    127,271.48/175,635.06 = 70,682.86/x
  3. Step 3: Cross multiply
    127,271.48x = 175,635.06 × 70,682.86
  4. Step 4: Simplify right side
    127,271.48x = 12,414,387,917.98
  5. Step 5: Solve for x
    x = 12,414,387,917.98/127,271.48
  6. Step 6: Final answer
    x = 97,542.57

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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.