Home / 123,564.64-185,359.92-40,465.12

Finding the Fourth Proportional to 123,564.64, 185,359.92 and 40,465.12

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Solution

The fourth proportional to 123,564.64, 185,359.92 and 40,465.12 is: 60,701.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,564.64 : 185,359.92 = 40,465.12 : x
  2. Step 2: Convert to fraction form
    123,564.64/185,359.92 = 40,465.12/x
  3. Step 3: Cross multiply
    123,564.64x = 185,359.92 × 40,465.12
  4. Step 4: Simplify right side
    123,564.64x = 7,500,611,405.99
  5. Step 5: Solve for x
    x = 7,500,611,405.99/123,564.64
  6. Step 6: Final answer
    x = 60,701.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.