Home / 178,830.10-268,245.15-112,316.95

Finding the Fourth Proportional to 178,830.10, 268,245.15 and 112,316.95

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Solution

The fourth proportional to 178,830.10, 268,245.15 and 112,316.95 is: 168,475.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,830.10 : 268,245.15 = 112,316.95 : x
  2. Step 2: Convert to fraction form
    178,830.10/268,245.15 = 112,316.95/x
  3. Step 3: Cross multiply
    178,830.10x = 268,245.15 × 112,316.95
  4. Step 4: Simplify right side
    178,830.10x = 30,128,477,100.29
  5. Step 5: Solve for x
    x = 30,128,477,100.29/178,830.10
  6. Step 6: Final answer
    x = 168,475.43

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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.