Home / 136,444.56-188,299.31-76,015.17

Finding the Fourth Proportional to 136,444.56, 188,299.31 and 76,015.17

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Solution

The fourth proportional to 136,444.56, 188,299.31 and 76,015.17 is: 104,904.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,444.56 : 188,299.31 = 76,015.17 : x
  2. Step 2: Convert to fraction form
    136,444.56/188,299.31 = 76,015.17/x
  3. Step 3: Cross multiply
    136,444.56x = 188,299.31 × 76,015.17
  4. Step 4: Simplify right side
    136,444.56x = 14,313,604,060.53
  5. Step 5: Solve for x
    x = 14,313,604,060.53/136,444.56
  6. Step 6: Final answer
    x = 104,904.18

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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.