Home / 136,000.19-187,676.55-75,569.29

Finding the Fourth Proportional to 136,000.19, 187,676.55 and 75,569.29

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Solution

The fourth proportional to 136,000.19, 187,676.55 and 75,569.29 is: 104,283.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,000.19 : 187,676.55 = 75,569.29 : x
  2. Step 2: Convert to fraction form
    136,000.19/187,676.55 = 75,569.29/x
  3. Step 3: Cross multiply
    136,000.19x = 187,676.55 × 75,569.29
  4. Step 4: Simplify right side
    136,000.19x = 14,182,583,163.96
  5. Step 5: Solve for x
    x = 14,182,583,163.96/136,000.19
  6. Step 6: Final answer
    x = 104,283.55

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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.