Home / 136,182.90-187,880.82-84,476.10

Finding the Fourth Proportional to 136,182.90, 187,880.82 and 84,476.10

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Solution

The fourth proportional to 136,182.90, 187,880.82 and 84,476.10 is: 116,545.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,182.90 : 187,880.82 = 84,476.10 : x
  2. Step 2: Convert to fraction form
    136,182.90/187,880.82 = 84,476.10/x
  3. Step 3: Cross multiply
    136,182.90x = 187,880.82 × 84,476.10
  4. Step 4: Simplify right side
    136,182.90x = 15,871,438,938.40
  5. Step 5: Solve for x
    x = 15,871,438,938.40/136,182.90
  6. Step 6: Final answer
    x = 116,545.02

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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.