Home / 219,371.48-329,057.30-79,130.12

Finding the Fourth Proportional to 219,371.48, 329,057.30 and 79,130.12

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Solution

The fourth proportional to 219,371.48, 329,057.30 and 79,130.12 is: 118,695.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,371.48 : 329,057.30 = 79,130.12 : x
  2. Step 2: Convert to fraction form
    219,371.48/329,057.30 = 79,130.12/x
  3. Step 3: Cross multiply
    219,371.48x = 329,057.30 × 79,130.12
  4. Step 4: Simplify right side
    219,371.48x = 26,038,343,635.88
  5. Step 5: Solve for x
    x = 26,038,343,635.88/219,371.48
  6. Step 6: Final answer
    x = 118,695.21

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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.