Home / 170,045.20-255,059.70-57,714.40

Finding the Fourth Proportional to 170,045.20, 255,059.70 and 57,714.40

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Solution

The fourth proportional to 170,045.20, 255,059.70 and 57,714.40 is: 86,568.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,045.20 : 255,059.70 = 57,714.40 : x
  2. Step 2: Convert to fraction form
    170,045.20/255,059.70 = 57,714.40/x
  3. Step 3: Cross multiply
    170,045.20x = 255,059.70 × 57,714.40
  4. Step 4: Simplify right side
    170,045.20x = 14,720,617,549.68
  5. Step 5: Solve for x
    x = 14,720,617,549.68/170,045.20
  6. Step 6: Final answer
    x = 86,568.85

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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.