Home / 75,164.06-103,728.08-42,898.04

Finding the Fourth Proportional to 75,164.06, 103,728.08 and 42,898.04

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Solution

The fourth proportional to 75,164.06, 103,728.08 and 42,898.04 is: 59,200.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,164.06 : 103,728.08 = 42,898.04 : x
  2. Step 2: Convert to fraction form
    75,164.06/103,728.08 = 42,898.04/x
  3. Step 3: Cross multiply
    75,164.06x = 103,728.08 × 42,898.04
  4. Step 4: Simplify right side
    75,164.06x = 4,449,731,324.96
  5. Step 5: Solve for x
    x = 4,449,731,324.96/75,164.06
  6. Step 6: Final answer
    x = 59,200.25

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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.