Home / 129,818.04-179,148.82-70,202.04

Finding the Fourth Proportional to 129,818.04, 179,148.82 and 70,202.04

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Solution

The fourth proportional to 129,818.04, 179,148.82 and 70,202.04 is: 96,878.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,818.04 : 179,148.82 = 70,202.04 : x
  2. Step 2: Convert to fraction form
    129,818.04/179,148.82 = 70,202.04/x
  3. Step 3: Cross multiply
    129,818.04x = 179,148.82 × 70,202.04
  4. Step 4: Simplify right side
    129,818.04x = 12,576,612,627.59
  5. Step 5: Solve for x
    x = 12,576,612,627.59/129,818.04
  6. Step 6: Final answer
    x = 96,878.77

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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.