Home / 194,645.72-292,302.12-120,206.36

Finding the Fourth Proportional to 194,645.72, 292,302.12 and 120,206.36

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Solution

The fourth proportional to 194,645.72, 292,302.12 and 120,206.36 is: 180,515.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,645.72 : 292,302.12 = 120,206.36 : x
  2. Step 2: Convert to fraction form
    194,645.72/292,302.12 = 120,206.36/x
  3. Step 3: Cross multiply
    194,645.72x = 292,302.12 × 120,206.36
  4. Step 4: Simplify right side
    194,645.72x = 35,136,573,865.48
  5. Step 5: Solve for x
    x = 35,136,573,865.48/194,645.72
  6. Step 6: Final answer
    x = 180,515.52

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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.