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Finding the Fourth Proportional to 170,751.48, 256,071.84 and 56,868.96

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Solution

The fourth proportional to 170,751.48, 256,071.84 and 56,868.96 is: 85,285.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,751.48 : 256,071.84 = 56,868.96 : x
  2. Step 2: Convert to fraction form
    170,751.48/256,071.84 = 56,868.96/x
  3. Step 3: Cross multiply
    170,751.48x = 256,071.84 × 56,868.96
  4. Step 4: Simplify right side
    170,751.48x = 14,562,539,226.09
  5. Step 5: Solve for x
    x = 14,562,539,226.09/170,751.48
  6. Step 6: Final answer
    x = 85,285.00

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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.