Home / 215,308.18-297,123.15-119,813.23

Finding the Fourth Proportional to 215,308.18, 297,123.15 and 119,813.23

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Solution

The fourth proportional to 215,308.18, 297,123.15 and 119,813.23 is: 165,341.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,308.18 : 297,123.15 = 119,813.23 : x
  2. Step 2: Convert to fraction form
    215,308.18/297,123.15 = 119,813.23/x
  3. Step 3: Cross multiply
    215,308.18x = 297,123.15 × 119,813.23
  4. Step 4: Simplify right side
    215,308.18x = 35,599,284,309.27
  5. Step 5: Solve for x
    x = 35,599,284,309.27/215,308.18
  6. Step 6: Final answer
    x = 165,341.07

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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.