Home / 161,743.39-242,637.77-56,538.43

Finding the Fourth Proportional to 161,743.39, 242,637.77 and 56,538.43

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Solution

The fourth proportional to 161,743.39, 242,637.77 and 56,538.43 is: 84,815.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,743.39 : 242,637.77 = 56,538.43 : x
  2. Step 2: Convert to fraction form
    161,743.39/242,637.77 = 56,538.43/x
  3. Step 3: Cross multiply
    161,743.39x = 242,637.77 × 56,538.43
  4. Step 4: Simplify right side
    161,743.39x = 13,718,358,574.50
  5. Step 5: Solve for x
    x = 13,718,358,574.50/161,743.39
  6. Step 6: Final answer
    x = 84,815.57

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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.