Home / 215,301.57-297,112.23-119,807.43

Finding the Fourth Proportional to 215,301.57, 297,112.23 and 119,807.43

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Solution

The fourth proportional to 215,301.57, 297,112.23 and 119,807.43 is: 165,332.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,301.57 : 297,112.23 = 119,807.43 : x
  2. Step 2: Convert to fraction form
    215,301.57/297,112.23 = 119,807.43/x
  3. Step 3: Cross multiply
    215,301.57x = 297,112.23 × 119,807.43
  4. Step 4: Simplify right side
    215,301.57x = 35,596,252,697.87
  5. Step 5: Solve for x
    x = 35,596,252,697.87/215,301.57
  6. Step 6: Final answer
    x = 165,332.06

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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.