Home / 74,160.49-102,341.23-40,168.90

Finding the Fourth Proportional to 74,160.49, 102,341.23 and 40,168.90

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Solution

The fourth proportional to 74,160.49, 102,341.23 and 40,168.90 is: 55,432.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,160.49 : 102,341.23 = 40,168.90 : x
  2. Step 2: Convert to fraction form
    74,160.49/102,341.23 = 40,168.90/x
  3. Step 3: Cross multiply
    74,160.49x = 102,341.23 × 40,168.90
  4. Step 4: Simplify right side
    74,160.49x = 4,110,934,633.75
  5. Step 5: Solve for x
    x = 4,110,934,633.75/74,160.49
  6. Step 6: Final answer
    x = 55,432.95

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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.