Home / 155,030.11-213,964.94-94,635.90

Finding the Fourth Proportional to 155,030.11, 213,964.94 and 94,635.90

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Solution

The fourth proportional to 155,030.11, 213,964.94 and 94,635.90 is: 130,611.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,030.11 : 213,964.94 = 94,635.90 : x
  2. Step 2: Convert to fraction form
    155,030.11/213,964.94 = 94,635.90/x
  3. Step 3: Cross multiply
    155,030.11x = 213,964.94 × 94,635.90
  4. Step 4: Simplify right side
    155,030.11x = 20,248,764,901.94
  5. Step 5: Solve for x
    x = 20,248,764,901.94/155,030.11
  6. Step 6: Final answer
    x = 130,611.82

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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.