Home / 124,450.56-171,740.25-67,860.72

Finding the Fourth Proportional to 124,450.56, 171,740.25 and 67,860.72

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Solution

The fourth proportional to 124,450.56, 171,740.25 and 67,860.72 is: 93,646.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,450.56 : 171,740.25 = 67,860.72 : x
  2. Step 2: Convert to fraction form
    124,450.56/171,740.25 = 67,860.72/x
  3. Step 3: Cross multiply
    124,450.56x = 171,740.25 × 67,860.72
  4. Step 4: Simplify right side
    124,450.56x = 11,654,417,017.98
  5. Step 5: Solve for x
    x = 11,654,417,017.98/124,450.56
  6. Step 6: Final answer
    x = 93,646.96

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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.