Home / 170,740.86-256,045.65-117,990.42

Finding the Fourth Proportional to 170,740.86, 256,045.65 and 117,990.42

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Solution

The fourth proportional to 170,740.86, 256,045.65 and 117,990.42 is: 176,940.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,740.86 : 256,045.65 = 117,990.42 : x
  2. Step 2: Convert to fraction form
    170,740.86/256,045.65 = 117,990.42/x
  3. Step 3: Cross multiply
    170,740.86x = 256,045.65 × 117,990.42
  4. Step 4: Simplify right side
    170,740.86x = 30,210,933,782.67
  5. Step 5: Solve for x
    x = 30,210,933,782.67/170,740.86
  6. Step 6: Final answer
    x = 176,940.27

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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.