Home / 129,756.11-179,063.13-73,167.08

Finding the Fourth Proportional to 129,756.11, 179,063.13 and 73,167.08

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Solution

The fourth proportional to 129,756.11, 179,063.13 and 73,167.08 is: 100,970.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,756.11 : 179,063.13 = 73,167.08 : x
  2. Step 2: Convert to fraction form
    129,756.11/179,063.13 = 73,167.08/x
  3. Step 3: Cross multiply
    129,756.11x = 179,063.13 × 73,167.08
  4. Step 4: Simplify right side
    129,756.11x = 13,101,525,462.44
  5. Step 5: Solve for x
    x = 13,101,525,462.44/129,756.11
  6. Step 6: Final answer
    x = 100,970.40

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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.