Home / 163,444.82-245,181.38-45,116.19

Finding the Fourth Proportional to 163,444.82, 245,181.38 and 45,116.19

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Solution

The fourth proportional to 163,444.82, 245,181.38 and 45,116.19 is: 67,678.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,444.82 : 245,181.38 = 45,116.19 : x
  2. Step 2: Convert to fraction form
    163,444.82/245,181.38 = 45,116.19/x
  3. Step 3: Cross multiply
    163,444.82x = 245,181.38 × 45,116.19
  4. Step 4: Simplify right side
    163,444.82x = 11,061,649,498.96
  5. Step 5: Solve for x
    x = 11,061,649,498.96/163,444.82
  6. Step 6: Final answer
    x = 67,678.19

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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.