Home / 108,830.83-150,178.30-61,074.95

Finding the Fourth Proportional to 108,830.83, 150,178.30 and 61,074.95

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Solution

The fourth proportional to 108,830.83, 150,178.30 and 61,074.95 is: 84,278.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,830.83 : 150,178.30 = 61,074.95 : x
  2. Step 2: Convert to fraction form
    108,830.83/150,178.30 = 61,074.95/x
  3. Step 3: Cross multiply
    108,830.83x = 150,178.30 × 61,074.95
  4. Step 4: Simplify right side
    108,830.83x = 9,172,132,237.12
  5. Step 5: Solve for x
    x = 9,172,132,237.12/108,830.83
  6. Step 6: Final answer
    x = 84,278.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.