Home / 136,239.37-188,062.64-102,346.17

Finding the Fourth Proportional to 136,239.37, 188,062.64 and 102,346.17

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Solution

The fourth proportional to 136,239.37, 188,062.64 and 102,346.17 is: 141,277.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,239.37 : 188,062.64 = 102,346.17 : x
  2. Step 2: Convert to fraction form
    136,239.37/188,062.64 = 102,346.17/x
  3. Step 3: Cross multiply
    136,239.37x = 188,062.64 × 102,346.17
  4. Step 4: Simplify right side
    136,239.37x = 19,247,490,090.92
  5. Step 5: Solve for x
    x = 19,247,490,090.92/136,239.37
  6. Step 6: Final answer
    x = 141,277.01

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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.