Home / 180,136.54-248,522.66-138,756.06

Finding the Fourth Proportional to 180,136.54, 248,522.66 and 138,756.06

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Solution

The fourth proportional to 180,136.54, 248,522.66 and 138,756.06 is: 191,432.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,136.54 : 248,522.66 = 138,756.06 : x
  2. Step 2: Convert to fraction form
    180,136.54/248,522.66 = 138,756.06/x
  3. Step 3: Cross multiply
    180,136.54x = 248,522.66 × 138,756.06
  4. Step 4: Simplify right side
    180,136.54x = 34,484,025,122.32
  5. Step 5: Solve for x
    x = 34,484,025,122.32/180,136.54
  6. Step 6: Final answer
    x = 191,432.71

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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.