Home / 155,778.93-214,974.99-84,158.82

Finding the Fourth Proportional to 155,778.93, 214,974.99 and 84,158.82

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Solution

The fourth proportional to 155,778.93, 214,974.99 and 84,158.82 is: 116,139.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,778.93 : 214,974.99 = 84,158.82 : x
  2. Step 2: Convert to fraction form
    155,778.93/214,974.99 = 84,158.82/x
  3. Step 3: Cross multiply
    155,778.93x = 214,974.99 × 84,158.82
  4. Step 4: Simplify right side
    155,778.93x = 18,092,041,487.91
  5. Step 5: Solve for x
    x = 18,092,041,487.91/155,778.93
  6. Step 6: Final answer
    x = 116,139.21

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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.