Home / 215,415.75-297,280.58-134,817.51

Finding the Fourth Proportional to 215,415.75, 297,280.58 and 134,817.51

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Solution

The fourth proportional to 215,415.75, 297,280.58 and 134,817.51 is: 186,052.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,415.75 : 297,280.58 = 134,817.51 : x
  2. Step 2: Convert to fraction form
    215,415.75/297,280.58 = 134,817.51/x
  3. Step 3: Cross multiply
    215,415.75x = 297,280.58 × 134,817.51
  4. Step 4: Simplify right side
    215,415.75x = 40,078,626,892.87
  5. Step 5: Solve for x
    x = 40,078,626,892.87/215,415.75
  6. Step 6: Final answer
    x = 186,052.44

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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.