Home / 127,359.03-190,954.72-71,281.92

Finding the Fourth Proportional to 127,359.03, 190,954.72 and 71,281.92

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Solution

The fourth proportional to 127,359.03, 190,954.72 and 71,281.92 is: 106,875.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,359.03 : 190,954.72 = 71,281.92 : x
  2. Step 2: Convert to fraction form
    127,359.03/190,954.72 = 71,281.92/x
  3. Step 3: Cross multiply
    127,359.03x = 190,954.72 × 71,281.92
  4. Step 4: Simplify right side
    127,359.03x = 13,611,619,478.88
  5. Step 5: Solve for x
    x = 13,611,619,478.88/127,359.03
  6. Step 6: Final answer
    x = 106,875.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.