Home / 142,186.13-213,334.05-101,705.39

Finding the Fourth Proportional to 142,186.13, 213,334.05 and 101,705.39

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Solution

The fourth proportional to 142,186.13, 213,334.05 and 101,705.39 is: 152,597.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,186.13 : 213,334.05 = 101,705.39 : x
  2. Step 2: Convert to fraction form
    142,186.13/213,334.05 = 101,705.39/x
  3. Step 3: Cross multiply
    142,186.13x = 213,334.05 × 101,705.39
  4. Step 4: Simplify right side
    142,186.13x = 21,697,222,755.53
  5. Step 5: Solve for x
    x = 21,697,222,755.53/142,186.13
  6. Step 6: Final answer
    x = 152,597.32

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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.