Home / 120,578.00-180,820.64-57,349.40

Finding the Fourth Proportional to 120,578.00, 180,820.64 and 57,349.40

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Solution

The fourth proportional to 120,578.00, 180,820.64 and 57,349.40 is: 86,002.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,578.00 : 180,820.64 = 57,349.40 : x
  2. Step 2: Convert to fraction form
    120,578.00/180,820.64 = 57,349.40/x
  3. Step 3: Cross multiply
    120,578.00x = 180,820.64 × 57,349.40
  4. Step 4: Simplify right side
    120,578.00x = 10,369,954,020.77
  5. Step 5: Solve for x
    x = 10,369,954,020.77/120,578.00
  6. Step 6: Final answer
    x = 86,002.04

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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.