Home / 171,439.95-257,184.03-71,577.43

Finding the Fourth Proportional to 171,439.95, 257,184.03 and 71,577.43

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Solution

The fourth proportional to 171,439.95, 257,184.03 and 71,577.43 is: 107,376.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,439.95 : 257,184.03 = 71,577.43 : x
  2. Step 2: Convert to fraction form
    171,439.95/257,184.03 = 71,577.43/x
  3. Step 3: Cross multiply
    171,439.95x = 257,184.03 × 71,577.43
  4. Step 4: Simplify right side
    171,439.95x = 18,408,570,618.52
  5. Step 5: Solve for x
    x = 18,408,570,618.52/171,439.95
  6. Step 6: Final answer
    x = 107,376.20

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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.