Home / 74,160.37-102,341.42-40,168.92

Finding the Fourth Proportional to 74,160.37, 102,341.42 and 40,168.92

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Solution

The fourth proportional to 74,160.37, 102,341.42 and 40,168.92 is: 55,433.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,160.37 : 102,341.42 = 40,168.92 : x
  2. Step 2: Convert to fraction form
    74,160.37/102,341.42 = 40,168.92/x
  3. Step 3: Cross multiply
    74,160.37x = 102,341.42 × 40,168.92
  4. Step 4: Simplify right side
    74,160.37x = 4,110,944,312.67
  5. Step 5: Solve for x
    x = 4,110,944,312.67/74,160.37
  6. Step 6: Final answer
    x = 55,433.17

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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.