Home / 134,397.69-185,391.66-84,009.21

Finding the Fourth Proportional to 134,397.69, 185,391.66 and 84,009.21

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Solution

The fourth proportional to 134,397.69, 185,391.66 and 84,009.21 is: 115,884.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,397.69 : 185,391.66 = 84,009.21 : x
  2. Step 2: Convert to fraction form
    134,397.69/185,391.66 = 84,009.21/x
  3. Step 3: Cross multiply
    134,397.69x = 185,391.66 × 84,009.21
  4. Step 4: Simplify right side
    134,397.69x = 15,574,606,897.19
  5. Step 5: Solve for x
    x = 15,574,606,897.19/134,397.69
  6. Step 6: Final answer
    x = 115,884.48

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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.