Home / 180,134.53-248,519.90-138,754.06

Finding the Fourth Proportional to 180,134.53, 248,519.90 and 138,754.06

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Solution

The fourth proportional to 180,134.53, 248,519.90 and 138,754.06 is: 191,429.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,134.53 : 248,519.90 = 138,754.06 : x
  2. Step 2: Convert to fraction form
    180,134.53/248,519.90 = 138,754.06/x
  3. Step 3: Cross multiply
    180,134.53x = 248,519.90 × 138,754.06
  4. Step 4: Simplify right side
    180,134.53x = 34,483,145,458.81
  5. Step 5: Solve for x
    x = 34,483,145,458.81/180,134.53
  6. Step 6: Final answer
    x = 191,429.95

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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.