Home / 161,513.97-242,298.63-54,886.65

Finding the Fourth Proportional to 161,513.97, 242,298.63 and 54,886.65

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Solution

The fourth proportional to 161,513.97, 242,298.63 and 54,886.65 is: 82,339.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,513.97 : 242,298.63 = 54,886.65 : x
  2. Step 2: Convert to fraction form
    161,513.97/242,298.63 = 54,886.65/x
  3. Step 3: Cross multiply
    161,513.97x = 242,298.63 × 54,886.65
  4. Step 4: Simplify right side
    161,513.97x = 13,298,960,100.29
  5. Step 5: Solve for x
    x = 13,298,960,100.29/161,513.97
  6. Step 6: Final answer
    x = 82,339.38

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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.