Home / 178,035.90-267,205.05-72,930.30

Finding the Fourth Proportional to 178,035.90, 267,205.05 and 72,930.30

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Solution

The fourth proportional to 178,035.90, 267,205.05 and 72,930.30 is: 109,457.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,035.90 : 267,205.05 = 72,930.30 : x
  2. Step 2: Convert to fraction form
    178,035.90/267,205.05 = 72,930.30/x
  3. Step 3: Cross multiply
    178,035.90x = 267,205.05 × 72,930.30
  4. Step 4: Simplify right side
    178,035.90x = 19,487,344,458.02
  5. Step 5: Solve for x
    x = 19,487,344,458.02/178,035.90
  6. Step 6: Final answer
    x = 109,457.39

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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.