Home / 109,083.95-150,511.33-63,136.46

Finding the Fourth Proportional to 109,083.95, 150,511.33 and 63,136.46

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Solution

The fourth proportional to 109,083.95, 150,511.33 and 63,136.46 is: 87,114.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,083.95 : 150,511.33 = 63,136.46 : x
  2. Step 2: Convert to fraction form
    109,083.95/150,511.33 = 63,136.46/x
  3. Step 3: Cross multiply
    109,083.95x = 150,511.33 × 63,136.46
  4. Step 4: Simplify right side
    109,083.95x = 9,502,753,021.29
  5. Step 5: Solve for x
    x = 9,502,753,021.29/109,083.95
  6. Step 6: Final answer
    x = 87,114.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.