Home / 170,316.08-255,505.12-57,990.56

Finding the Fourth Proportional to 170,316.08, 255,505.12 and 57,990.56

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Solution

The fourth proportional to 170,316.08, 255,505.12 and 57,990.56 is: 86,996.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,316.08 : 255,505.12 = 57,990.56 : x
  2. Step 2: Convert to fraction form
    170,316.08/255,505.12 = 57,990.56/x
  3. Step 3: Cross multiply
    170,316.08x = 255,505.12 × 57,990.56
  4. Step 4: Simplify right side
    170,316.08x = 14,816,884,991.67
  5. Step 5: Solve for x
    x = 14,816,884,991.67/170,316.08
  6. Step 6: Final answer
    x = 86,996.40

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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.