Home / 74,160.83-102,341.34-40,168.53

Finding the Fourth Proportional to 74,160.83, 102,341.34 and 40,168.53

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Solution

The fourth proportional to 74,160.83, 102,341.34 and 40,168.53 is: 55,432.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,160.83 : 102,341.34 = 40,168.53 : x
  2. Step 2: Convert to fraction form
    74,160.83/102,341.34 = 40,168.53/x
  3. Step 3: Cross multiply
    74,160.83x = 102,341.34 × 40,168.53
  4. Step 4: Simplify right side
    74,160.83x = 4,110,901,186.03
  5. Step 5: Solve for x
    x = 4,110,901,186.03/74,160.83
  6. Step 6: Final answer
    x = 55,432.24

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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.