Home / 120,862.92-181,266.96-45,956.40

Finding the Fourth Proportional to 120,862.92, 181,266.96 and 45,956.40

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Solution

The fourth proportional to 120,862.92, 181,266.96 and 45,956.40 is: 68,924.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,862.92 : 181,266.96 = 45,956.40 : x
  2. Step 2: Convert to fraction form
    120,862.92/181,266.96 = 45,956.40/x
  3. Step 3: Cross multiply
    120,862.92x = 181,266.96 × 45,956.40
  4. Step 4: Simplify right side
    120,862.92x = 8,330,376,920.54
  5. Step 5: Solve for x
    x = 8,330,376,920.54/120,862.92
  6. Step 6: Final answer
    x = 68,924.17

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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.