Home / 134,402.69-185,398.47-84,014.21

Finding the Fourth Proportional to 134,402.69, 185,398.47 and 84,014.21

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Solution

The fourth proportional to 134,402.69, 185,398.47 and 84,014.21 is: 115,891.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,402.69 : 185,398.47 = 84,014.21 : x
  2. Step 2: Convert to fraction form
    134,402.69/185,398.47 = 84,014.21/x
  3. Step 3: Cross multiply
    134,402.69x = 185,398.47 × 84,014.21
  4. Step 4: Simplify right side
    134,402.69x = 15,576,106,455.75
  5. Step 5: Solve for x
    x = 15,576,106,455.75/134,402.69
  6. Step 6: Final answer
    x = 115,891.33

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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.