Home / 215,386.50-297,228.46-134,858.44

Finding the Fourth Proportional to 215,386.50, 297,228.46 and 134,858.44

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Solution

The fourth proportional to 215,386.50, 297,228.46 and 134,858.44 is: 186,101.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,386.50 : 297,228.46 = 134,858.44 : x
  2. Step 2: Convert to fraction form
    215,386.50/297,228.46 = 134,858.44/x
  3. Step 3: Cross multiply
    215,386.50x = 297,228.46 × 134,858.44
  4. Step 4: Simplify right side
    215,386.50x = 40,083,766,439.20
  5. Step 5: Solve for x
    x = 40,083,766,439.20/215,386.50
  6. Step 6: Final answer
    x = 186,101.57

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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.