Home / 161,326.32-242,001-42,997.04

Finding the Fourth Proportional to 161,326.32, 242,001 and 42,997.04

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Solution

The fourth proportional to 161,326.32, 242,001 and 42,997.04 is: 64,498.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,326.32 : 242,001 = 42,997.04 : x
  2. Step 2: Convert to fraction form
    161,326.32/242,001 = 42,997.04/x
  3. Step 3: Cross multiply
    161,326.32x = 242,001 × 42,997.04
  4. Step 4: Simplify right side
    161,326.32x = 10,405,326,677.04
  5. Step 5: Solve for x
    x = 10,405,326,677.04/161,326.32
  6. Step 6: Final answer
    x = 64,498.63

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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.