Home / 120,103.17-180,180.27-35,869.92

Finding the Fourth Proportional to 120,103.17, 180,180.27 and 35,869.92

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Solution

The fourth proportional to 120,103.17, 180,180.27 and 35,869.92 is: 53,812.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,103.17 : 180,180.27 = 35,869.92 : x
  2. Step 2: Convert to fraction form
    120,103.17/180,180.27 = 35,869.92/x
  3. Step 3: Cross multiply
    120,103.17x = 180,180.27 × 35,869.92
  4. Step 4: Simplify right side
    120,103.17x = 6,463,051,870.48
  5. Step 5: Solve for x
    x = 6,463,051,870.48/120,103.17
  6. Step 6: Final answer
    x = 53,812.50

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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.