Home / 74,199.52-102,395.10-40,208.14

Finding the Fourth Proportional to 74,199.52, 102,395.10 and 40,208.14

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Solution

The fourth proportional to 74,199.52, 102,395.10 and 40,208.14 is: 55,487.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,199.52 : 102,395.10 = 40,208.14 : x
  2. Step 2: Convert to fraction form
    74,199.52/102,395.10 = 40,208.14/x
  3. Step 3: Cross multiply
    74,199.52x = 102,395.10 × 40,208.14
  4. Step 4: Simplify right side
    74,199.52x = 4,117,116,516.11
  5. Step 5: Solve for x
    x = 4,117,116,516.11/74,199.52
  6. Step 6: Final answer
    x = 55,487.10

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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.