Home / 215,373.45-297,210.27-119,878.10

Finding the Fourth Proportional to 215,373.45, 297,210.27 and 119,878.10

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Solution

The fourth proportional to 215,373.45, 297,210.27 and 119,878.10 is: 165,428.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,373.45 : 297,210.27 = 119,878.10 : x
  2. Step 2: Convert to fraction form
    215,373.45/297,210.27 = 119,878.10/x
  3. Step 3: Cross multiply
    215,373.45x = 297,210.27 × 119,878.10
  4. Step 4: Simplify right side
    215,373.45x = 35,629,000,982.04
  5. Step 5: Solve for x
    x = 35,629,000,982.04/215,373.45
  6. Step 6: Final answer
    x = 165,428.94

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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.