Home / 139,449.02-192,373.91-101,124.49

Finding the Fourth Proportional to 139,449.02, 192,373.91 and 101,124.49

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Solution

The fourth proportional to 139,449.02, 192,373.91 and 101,124.49 is: 139,504.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,449.02 : 192,373.91 = 101,124.49 : x
  2. Step 2: Convert to fraction form
    139,449.02/192,373.91 = 101,124.49/x
  3. Step 3: Cross multiply
    139,449.02x = 192,373.91 × 101,124.49
  4. Step 4: Simplify right side
    139,449.02x = 19,453,713,538.06
  5. Step 5: Solve for x
    x = 19,453,713,538.06/139,449.02
  6. Step 6: Final answer
    x = 139,504.13

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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.