Home / 129,827.84-179,164.16-73,239.04

Finding the Fourth Proportional to 129,827.84, 179,164.16 and 73,239.04

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Solution

The fourth proportional to 129,827.84, 179,164.16 and 73,239.04 is: 101,070.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,827.84 : 179,164.16 = 73,239.04 : x
  2. Step 2: Convert to fraction form
    129,827.84/179,164.16 = 73,239.04/x
  3. Step 3: Cross multiply
    129,827.84x = 179,164.16 × 73,239.04
  4. Step 4: Simplify right side
    129,827.84x = 13,121,811,080.81
  5. Step 5: Solve for x
    x = 13,121,811,080.81/129,827.84
  6. Step 6: Final answer
    x = 101,070.86

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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.