Home / 136,152.61-187,893.01-75,723.28

Finding the Fourth Proportional to 136,152.61, 187,893.01 and 75,723.28

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Solution

The fourth proportional to 136,152.61, 187,893.01 and 75,723.28 is: 104,499.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,152.61 : 187,893.01 = 75,723.28 : x
  2. Step 2: Convert to fraction form
    136,152.61/187,893.01 = 75,723.28/x
  3. Step 3: Cross multiply
    136,152.61x = 187,893.01 × 75,723.28
  4. Step 4: Simplify right side
    136,152.61x = 14,227,874,631.19
  5. Step 5: Solve for x
    x = 14,227,874,631.19/136,152.61
  6. Step 6: Final answer
    x = 104,499.46

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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.