Home / 155,583.27-214,707.66-91,920.93

Finding the Fourth Proportional to 155,583.27, 214,707.66 and 91,920.93

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Solution

The fourth proportional to 155,583.27, 214,707.66 and 91,920.93 is: 126,852.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,583.27 : 214,707.66 = 91,920.93 : x
  2. Step 2: Convert to fraction form
    155,583.27/214,707.66 = 91,920.93/x
  3. Step 3: Cross multiply
    155,583.27x = 214,707.66 × 91,920.93
  4. Step 4: Simplify right side
    155,583.27x = 19,736,127,785.32
  5. Step 5: Solve for x
    x = 19,736,127,785.32/155,583.27
  6. Step 6: Final answer
    x = 126,852.51

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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.