Home / 129,823.34-179,157.54-72,468.04

Finding the Fourth Proportional to 129,823.34, 179,157.54 and 72,468.04

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Solution

The fourth proportional to 129,823.34, 179,157.54 and 72,468.04 is: 100,006.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,823.34 : 179,157.54 = 72,468.04 : x
  2. Step 2: Convert to fraction form
    129,823.34/179,157.54 = 72,468.04/x
  3. Step 3: Cross multiply
    129,823.34x = 179,157.54 × 72,468.04
  4. Step 4: Simplify right side
    129,823.34x = 12,983,195,775.02
  5. Step 5: Solve for x
    x = 12,983,195,775.02/129,823.34
  6. Step 6: Final answer
    x = 100,006.64

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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.