Home / 119,830.20-179,810.10-53,280.60

Finding the Fourth Proportional to 119,830.20, 179,810.10 and 53,280.60

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Solution

The fourth proportional to 119,830.20, 179,810.10 and 53,280.60 is: 79,949.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,830.20 : 179,810.10 = 53,280.60 : x
  2. Step 2: Convert to fraction form
    119,830.20/179,810.10 = 53,280.60/x
  3. Step 3: Cross multiply
    119,830.20x = 179,810.10 × 53,280.60
  4. Step 4: Simplify right side
    119,830.20x = 9,580,390,014.06
  5. Step 5: Solve for x
    x = 9,580,390,014.06/119,830.20
  6. Step 6: Final answer
    x = 79,949.71

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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.