Home / 124,218.27-171,421.88-67,630.05

Finding the Fourth Proportional to 124,218.27, 171,421.88 and 67,630.05

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Solution

The fourth proportional to 124,218.27, 171,421.88 and 67,630.05 is: 93,329.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,218.27 : 171,421.88 = 67,630.05 : x
  2. Step 2: Convert to fraction form
    124,218.27/171,421.88 = 67,630.05/x
  3. Step 3: Cross multiply
    124,218.27x = 171,421.88 × 67,630.05
  4. Step 4: Simplify right side
    124,218.27x = 11,593,269,977.34
  5. Step 5: Solve for x
    x = 11,593,269,977.34/124,218.27
  6. Step 6: Final answer
    x = 93,329.83

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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.