Home / 119,261.02-178,890.28-30,513.82

Finding the Fourth Proportional to 119,261.02, 178,890.28 and 30,513.82

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Solution

The fourth proportional to 119,261.02, 178,890.28 and 30,513.82 is: 45,770.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,261.02 : 178,890.28 = 30,513.82 : x
  2. Step 2: Convert to fraction form
    119,261.02/178,890.28 = 30,513.82/x
  3. Step 3: Cross multiply
    119,261.02x = 178,890.28 × 30,513.82
  4. Step 4: Simplify right side
    119,261.02x = 5,458,625,803.67
  5. Step 5: Solve for x
    x = 5,458,625,803.67/119,261.02
  6. Step 6: Final answer
    x = 45,770.41

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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.