Home / 177,238.32-265,907.68-72,132.72

Finding the Fourth Proportional to 177,238.32, 265,907.68 and 72,132.72

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Solution

The fourth proportional to 177,238.32, 265,907.68 and 72,132.72 is: 108,219.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,238.32 : 265,907.68 = 72,132.72 : x
  2. Step 2: Convert to fraction form
    177,238.32/265,907.68 = 72,132.72/x
  3. Step 3: Cross multiply
    177,238.32x = 265,907.68 × 72,132.72
  4. Step 4: Simplify right side
    177,238.32x = 19,180,644,227.29
  5. Step 5: Solve for x
    x = 19,180,644,227.29/177,238.32
  6. Step 6: Final answer
    x = 108,219.51

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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.