Home / 103,904.83-155,857.25-83,259.55

Finding the Fourth Proportional to 103,904.83, 155,857.25 and 83,259.55

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Solution

The fourth proportional to 103,904.83, 155,857.25 and 83,259.55 is: 124,889.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,904.83 : 155,857.25 = 83,259.55 : x
  2. Step 2: Convert to fraction form
    103,904.83/155,857.25 = 83,259.55/x
  3. Step 3: Cross multiply
    103,904.83x = 155,857.25 × 83,259.55
  4. Step 4: Simplify right side
    103,904.83x = 12,976,604,499.24
  5. Step 5: Solve for x
    x = 12,976,604,499.24/103,904.83
  6. Step 6: Final answer
    x = 124,889.33

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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.