Home / 127,328.22-175,709.79-70,739.73

Finding the Fourth Proportional to 127,328.22, 175,709.79 and 70,739.73

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Solution

The fourth proportional to 127,328.22, 175,709.79 and 70,739.73 is: 97,619.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,328.22 : 175,709.79 = 70,739.73 : x
  2. Step 2: Convert to fraction form
    127,328.22/175,709.79 = 70,739.73/x
  3. Step 3: Cross multiply
    127,328.22x = 175,709.79 × 70,739.73
  4. Step 4: Simplify right side
    127,328.22x = 12,429,663,102.96
  5. Step 5: Solve for x
    x = 12,429,663,102.96/127,328.22
  6. Step 6: Final answer
    x = 97,619.08

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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.