Home / 127,247.22-175,615.11-72,804.42

Finding the Fourth Proportional to 127,247.22, 175,615.11 and 72,804.42

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Solution

The fourth proportional to 127,247.22, 175,615.11 and 72,804.42 is: 100,478.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,247.22 : 175,615.11 = 72,804.42 : x
  2. Step 2: Convert to fraction form
    127,247.22/175,615.11 = 72,804.42/x
  3. Step 3: Cross multiply
    127,247.22x = 175,615.11 × 72,804.42
  4. Step 4: Simplify right side
    127,247.22x = 12,785,556,226.79
  5. Step 5: Solve for x
    x = 12,785,556,226.79/127,247.22
  6. Step 6: Final answer
    x = 100,478.08

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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.