Home / 142,208.80-196,240.26-88,492.12

Finding the Fourth Proportional to 142,208.80, 196,240.26 and 88,492.12

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Solution

The fourth proportional to 142,208.80, 196,240.26 and 88,492.12 is: 122,114.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,208.80 : 196,240.26 = 88,492.12 : x
  2. Step 2: Convert to fraction form
    142,208.80/196,240.26 = 88,492.12/x
  3. Step 3: Cross multiply
    142,208.80x = 196,240.26 × 88,492.12
  4. Step 4: Simplify right side
    142,208.80x = 17,365,716,636.75
  5. Step 5: Solve for x
    x = 17,365,716,636.75/142,208.80
  6. Step 6: Final answer
    x = 122,114.22

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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.