Home / 170,801.70-256,226.85-52,455.30

Finding the Fourth Proportional to 170,801.70, 256,226.85 and 52,455.30

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Solution

The fourth proportional to 170,801.70, 256,226.85 and 52,455.30 is: 78,690.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,801.70 : 256,226.85 = 52,455.30 : x
  2. Step 2: Convert to fraction form
    170,801.70/256,226.85 = 52,455.30/x
  3. Step 3: Cross multiply
    170,801.70x = 256,226.85 × 52,455.30
  4. Step 4: Simplify right side
    170,801.70x = 13,440,456,284.81
  5. Step 5: Solve for x
    x = 13,440,456,284.81/170,801.70
  6. Step 6: Final answer
    x = 78,690.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.