Home / 215,655.06-297,608.94-120,167.58

Finding the Fourth Proportional to 215,655.06, 297,608.94 and 120,167.58

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Solution

The fourth proportional to 215,655.06, 297,608.94 and 120,167.58 is: 165,834.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,655.06 : 297,608.94 = 120,167.58 : x
  2. Step 2: Convert to fraction form
    215,655.06/297,608.94 = 120,167.58/x
  3. Step 3: Cross multiply
    215,655.06x = 297,608.94 × 120,167.58
  4. Step 4: Simplify right side
    215,655.06x = 35,762,946,106.17
  5. Step 5: Solve for x
    x = 35,762,946,106.17/215,655.06
  6. Step 6: Final answer
    x = 165,834.02

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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.