Home / 161,713.58-242,570.40-49,387.74

Finding the Fourth Proportional to 161,713.58, 242,570.40 and 49,387.74

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Solution

The fourth proportional to 161,713.58, 242,570.40 and 49,387.74 is: 74,081.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,713.58 : 242,570.40 = 49,387.74 : x
  2. Step 2: Convert to fraction form
    161,713.58/242,570.40 = 49,387.74/x
  3. Step 3: Cross multiply
    161,713.58x = 242,570.40 × 49,387.74
  4. Step 4: Simplify right side
    161,713.58x = 11,980,002,752.05
  5. Step 5: Solve for x
    x = 11,980,002,752.05/161,713.58
  6. Step 6: Final answer
    x = 74,081.61

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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.