Home / 109,427.48-164,149.26-39,307.40

Finding the Fourth Proportional to 109,427.48, 164,149.26 and 39,307.40

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Solution

The fourth proportional to 109,427.48, 164,149.26 and 39,307.40 is: 58,963.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,427.48 : 164,149.26 = 39,307.40 : x
  2. Step 2: Convert to fraction form
    109,427.48/164,149.26 = 39,307.40/x
  3. Step 3: Cross multiply
    109,427.48x = 164,149.26 × 39,307.40
  4. Step 4: Simplify right side
    109,427.48x = 6,452,280,622.52
  5. Step 5: Solve for x
    x = 6,452,280,622.52/109,427.48
  6. Step 6: Final answer
    x = 58,963.99

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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.