Home / 170,088.80-255,160.20-57,779.60

Finding the Fourth Proportional to 170,088.80, 255,160.20 and 57,779.60

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Solution

The fourth proportional to 170,088.80, 255,160.20 and 57,779.60 is: 86,678.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,088.80 : 255,160.20 = 57,779.60 : x
  2. Step 2: Convert to fraction form
    170,088.80/255,160.20 = 57,779.60/x
  3. Step 3: Cross multiply
    170,088.80x = 255,160.20 × 57,779.60
  4. Step 4: Simplify right side
    170,088.80x = 14,743,054,291.92
  5. Step 5: Solve for x
    x = 14,743,054,291.92/170,088.80
  6. Step 6: Final answer
    x = 86,678.57

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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.