Home / 240,196.77-331,437.66-136,833.68

Finding the Fourth Proportional to 240,196.77, 331,437.66 and 136,833.68

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Solution

The fourth proportional to 240,196.77, 331,437.66 and 136,833.68 is: 188,811.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,196.77 : 331,437.66 = 136,833.68 : x
  2. Step 2: Convert to fraction form
    240,196.77/331,437.66 = 136,833.68/x
  3. Step 3: Cross multiply
    240,196.77x = 331,437.66 × 136,833.68
  4. Step 4: Simplify right side
    240,196.77x = 45,351,833,051.20
  5. Step 5: Solve for x
    x = 45,351,833,051.20/240,196.77
  6. Step 6: Final answer
    x = 188,811.17

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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.