Home / 103,025.62-142,173.66-57,703.18

Finding the Fourth Proportional to 103,025.62, 142,173.66 and 57,703.18

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Solution

The fourth proportional to 103,025.62, 142,173.66 and 57,703.18 is: 79,629.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,025.62 : 142,173.66 = 57,703.18 : x
  2. Step 2: Convert to fraction form
    103,025.62/142,173.66 = 57,703.18/x
  3. Step 3: Cross multiply
    103,025.62x = 142,173.66 × 57,703.18
  4. Step 4: Simplify right side
    103,025.62x = 8,203,872,294.24
  5. Step 5: Solve for x
    x = 8,203,872,294.24/103,025.62
  6. Step 6: Final answer
    x = 79,629.44

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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.