Home / 120,282.18-180,510.75-53,797.38

Finding the Fourth Proportional to 120,282.18, 180,510.75 and 53,797.38

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Solution

The fourth proportional to 120,282.18, 180,510.75 and 53,797.38 is: 80,735.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,282.18 : 180,510.75 = 53,797.38 : x
  2. Step 2: Convert to fraction form
    120,282.18/180,510.75 = 53,797.38/x
  3. Step 3: Cross multiply
    120,282.18x = 180,510.75 × 53,797.38
  4. Step 4: Simplify right side
    120,282.18x = 9,711,005,411.84
  5. Step 5: Solve for x
    x = 9,711,005,411.84/120,282.18
  6. Step 6: Final answer
    x = 80,735.20

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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.