Home / 382,015.32-572,666.74-129,118.92

Finding the Fourth Proportional to 382,015.32, 572,666.74 and 129,118.92

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Solution

The fourth proportional to 382,015.32, 572,666.74 and 129,118.92 is: 193,557.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,015.32 : 572,666.74 = 129,118.92 : x
  2. Step 2: Convert to fraction form
    382,015.32/572,666.74 = 129,118.92/x
  3. Step 3: Cross multiply
    382,015.32x = 572,666.74 × 129,118.92
  4. Step 4: Simplify right side
    382,015.32x = 73,942,110,988.72
  5. Step 5: Solve for x
    x = 73,942,110,988.72/382,015.32
  6. Step 6: Final answer
    x = 193,557.97

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1.5x scale

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.