Home / 134,396.69-185,390.28-84,008.21

Finding the Fourth Proportional to 134,396.69, 185,390.28 and 84,008.21

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Solution

The fourth proportional to 134,396.69, 185,390.28 and 84,008.21 is: 115,883.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,396.69 : 185,390.28 = 84,008.21 : x
  2. Step 2: Convert to fraction form
    134,396.69/185,390.28 = 84,008.21/x
  3. Step 3: Cross multiply
    134,396.69x = 185,390.28 × 84,008.21
  4. Step 4: Simplify right side
    134,396.69x = 15,574,304,647.25
  5. Step 5: Solve for x
    x = 15,574,304,647.25/134,396.69
  6. Step 6: Final answer
    x = 115,883.10

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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.