Home / 118,915.07-178,353.62-34,655.53

Finding the Fourth Proportional to 118,915.07, 178,353.62 and 34,655.53

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Solution

The fourth proportional to 118,915.07, 178,353.62 and 34,655.53 is: 51,977.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,915.07 : 178,353.62 = 34,655.53 : x
  2. Step 2: Convert to fraction form
    118,915.07/178,353.62 = 34,655.53/x
  3. Step 3: Cross multiply
    118,915.07x = 178,353.62 × 34,655.53
  4. Step 4: Simplify right side
    118,915.07x = 6,180,939,228.52
  5. Step 5: Solve for x
    x = 6,180,939,228.52/118,915.07
  6. Step 6: Final answer
    x = 51,977.76

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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.