Home / 382,030.45-573,114.85-125,876.70

Finding the Fourth Proportional to 382,030.45, 573,114.85 and 125,876.70

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Solution

The fourth proportional to 382,030.45, 573,114.85 and 125,876.70 is: 188,837.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,030.45 : 573,114.85 = 125,876.70 : x
  2. Step 2: Convert to fraction form
    382,030.45/573,114.85 = 125,876.70/x
  3. Step 3: Cross multiply
    382,030.45x = 573,114.85 × 125,876.70
  4. Step 4: Simplify right side
    382,030.45x = 72,141,805,724.30
  5. Step 5: Solve for x
    x = 72,141,805,724.30/382,030.45
  6. Step 6: Final answer
    x = 188,837.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.