Home / 120,230.06-180,386.51-53,716.10

Finding the Fourth Proportional to 120,230.06, 180,386.51 and 53,716.10

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Solution

The fourth proportional to 120,230.06, 180,386.51 and 53,716.10 is: 80,592.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,230.06 : 180,386.51 = 53,716.10 : x
  2. Step 2: Convert to fraction form
    120,230.06/180,386.51 = 53,716.10/x
  3. Step 3: Cross multiply
    120,230.06x = 180,386.51 × 53,716.10
  4. Step 4: Simplify right side
    120,230.06x = 9,689,658,639.30
  5. Step 5: Solve for x
    x = 9,689,658,639.30/120,230.06
  6. Step 6: Final answer
    x = 80,592.65

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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.