Home / 215,069.04-296,811.90-129,031.26

Finding the Fourth Proportional to 215,069.04, 296,811.90 and 129,031.26

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Solution

The fourth proportional to 215,069.04, 296,811.90 and 129,031.26 is: 178,073.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,069.04 : 296,811.90 = 129,031.26 : x
  2. Step 2: Convert to fraction form
    215,069.04/296,811.90 = 129,031.26/x
  3. Step 3: Cross multiply
    215,069.04x = 296,811.90 × 129,031.26
  4. Step 4: Simplify right side
    215,069.04x = 38,298,013,439.99
  5. Step 5: Solve for x
    x = 38,298,013,439.99/215,069.04
  6. Step 6: Final answer
    x = 178,073.11

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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.