Home / 171,432.95-257,190.49-71,537.58

Finding the Fourth Proportional to 171,432.95, 257,190.49 and 71,537.58

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Solution

The fourth proportional to 171,432.95, 257,190.49 and 71,537.58 is: 107,323.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,432.95 : 257,190.49 = 71,537.58 : x
  2. Step 2: Convert to fraction form
    171,432.95/257,190.49 = 71,537.58/x
  3. Step 3: Cross multiply
    171,432.95x = 257,190.49 × 71,537.58
  4. Step 4: Simplify right side
    171,432.95x = 18,398,785,074.77
  5. Step 5: Solve for x
    x = 18,398,785,074.77/171,432.95
  6. Step 6: Final answer
    x = 107,323.50

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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.