Home / 136,088.21-187,791.09-75,655.17

Finding the Fourth Proportional to 136,088.21, 187,791.09 and 75,655.17

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Solution

The fourth proportional to 136,088.21, 187,791.09 and 75,655.17 is: 104,398.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,088.21 : 187,791.09 = 75,655.17 : x
  2. Step 2: Convert to fraction form
    136,088.21/187,791.09 = 75,655.17/x
  3. Step 3: Cross multiply
    136,088.21x = 187,791.09 × 75,655.17
  4. Step 4: Simplify right side
    136,088.21x = 14,207,366,838.44
  5. Step 5: Solve for x
    x = 14,207,366,838.44/136,088.21
  6. Step 6: Final answer
    x = 104,398.22

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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.