Home / 134,646.10-185,803.17-74,213.42

Finding the Fourth Proportional to 134,646.10, 185,803.17 and 74,213.42

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Solution

The fourth proportional to 134,646.10, 185,803.17 and 74,213.42 is: 102,409.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,646.10 : 185,803.17 = 74,213.42 : x
  2. Step 2: Convert to fraction form
    134,646.10/185,803.17 = 74,213.42/x
  3. Step 3: Cross multiply
    134,646.10x = 185,803.17 × 74,213.42
  4. Step 4: Simplify right side
    134,646.10x = 13,789,087,485.23
  5. Step 5: Solve for x
    x = 13,789,087,485.23/134,646.10
  6. Step 6: Final answer
    x = 102,409.86

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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.