Home / 74,045.34-102,181.59-42,214.86

Finding the Fourth Proportional to 74,045.34, 102,181.59 and 42,214.86

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Solution

The fourth proportional to 74,045.34, 102,181.59 and 42,214.86 is: 58,255.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,045.34 : 102,181.59 = 42,214.86 : x
  2. Step 2: Convert to fraction form
    74,045.34/102,181.59 = 42,214.86/x
  3. Step 3: Cross multiply
    74,045.34x = 102,181.59 × 42,214.86
  4. Step 4: Simplify right side
    74,045.34x = 4,313,581,516.43
  5. Step 5: Solve for x
    x = 4,313,581,516.43/74,045.34
  6. Step 6: Final answer
    x = 58,255.95

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1.5x scale

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.