Home / 161,904.93-242,911.16-71,935.12

Finding the Fourth Proportional to 161,904.93, 242,911.16 and 71,935.12

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Solution

The fourth proportional to 161,904.93, 242,911.16 and 71,935.12 is: 107,926.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,904.93 : 242,911.16 = 71,935.12 : x
  2. Step 2: Convert to fraction form
    161,904.93/242,911.16 = 71,935.12/x
  3. Step 3: Cross multiply
    161,904.93x = 242,911.16 × 71,935.12
  4. Step 4: Simplify right side
    161,904.93x = 17,473,843,443.94
  5. Step 5: Solve for x
    x = 17,473,843,443.94/161,904.93
  6. Step 6: Final answer
    x = 107,926.57

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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.