Home / 170,312.27-255,499.40-57,986.74

Finding the Fourth Proportional to 170,312.27, 255,499.40 and 57,986.74

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Solution

The fourth proportional to 170,312.27, 255,499.40 and 57,986.74 is: 86,990.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,312.27 : 255,499.40 = 57,986.74 : x
  2. Step 2: Convert to fraction form
    170,312.27/255,499.40 = 57,986.74/x
  3. Step 3: Cross multiply
    170,312.27x = 255,499.40 × 57,986.74
  4. Step 4: Simplify right side
    170,312.27x = 14,815,577,277.96
  5. Step 5: Solve for x
    x = 14,815,577,277.96/170,312.27
  6. Step 6: Final answer
    x = 86,990.66

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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.